Case No. DHF-075 | Subject: Mark Everett Coates III, 18, of Havre de Grace, Maryland, was last seen on the Susquehanna River on the evening of Wednesday 4 November 2026; his 10-foot jon boat was found capsized the next morning, and a multi-agency search is still under way | Date: Wednesday 4 November 2026 (last seen); Thursday 5 November 2026 (boat found); Tuesday 10 November 2026 (search in its sixth day; United Cajun Navy joins) | Location: Susquehanna River near the Thomas J. Hatem Memorial Bridge, Havre de Grace, Maryland, USA | Status: MISSING
Posted: 10 November 2026
Status stamp: MISSING
Why this file is stamped MISSING: The stamp records only the position as it stands on 10 November 2026. Mark Everett Coates III, 18, was last seen on the evening of Wednesday 4 November 2026, launching a small fishing boat on the Susquehanna River at Havre de Grace, Maryland. His overturned boat was found the next morning near Garrett Island. He has not been found. Maryland Natural Resources Police are leading a search that, on its sixth day, has drawn in more than a dozen agencies and, on 10 November, the United Cajun Navy. Nothing in this file speculates about what happened to him. If he is found, or if the authorities make any further official statement, this file will be updated, dated, and re-stamped if the facts require it — never quietly rewritten.
Image note for readers: All images in this file are original illustrations created for Dark History Files. They are atmospheric artwork, not photographs and not real evidence. No image in this file depicts Mark Everett Coates III, any member of his family, any investigator, any official, or any real person, and no image depicts any act of violence, any injury, or any boat in distress.
Caption: Case card for DHF-075 — the search for Mark Everett Coates III on the Susquehanna River. Status: MISSING.
THE FILE CARD
| Case File No. | DHF-075 |
| Subject | Mark Everett Coates III, 18, of Havre de Grace, Maryland, was last seen on the evening of Wednesday 4 November 2026, launching a 10-foot aluminium jon boat on the Susquehanna River to go fishing after a day of work. His overturned boat was found the next morning near Garrett Island. He has not been found. A search led by Maryland Natural Resources Police is in its sixth day as of 10 November 2026, and the United Cajun Navy has now joined it. |
| Date | Wednesday 4 November 2026, around 5 p.m. (last seen); Thursday 5 November 2026, early morning (boat found); Tuesday 10 November 2026 (sixth day of the search; United Cajun Navy joins). |
| Location | The Susquehanna River near the Thomas J. Hatem Memorial Bridge (US 40), Havre de Grace, Harford County, Maryland, USA, where the river meets the Chesapeake Bay. |
| Status | MISSING |
| Investigating authorities | Maryland Natural Resources Police (leading the search), with Maryland State Police, the U.S. Coast Guard, Harford County Sheriff's Office, Baltimore City Fire Department, Baltimore County Police, Baltimore Police, Maryland Transportation Authority Police, Delaware State Police, the New Castle County dive team, Middle River Volunteer Fire & Rescue's dive team, Susquehanna Hose Company, Chesapeake Search Dogs, and Search and Rescue Dogs of Maryland. The United Cajun Navy joined on 10 November 2026. |
| Last seen wearing | A chartreuse (bright yellowish-green) long-sleeved T-shirt and blue jeans, according to a Maryland Natural Resources Police post. |
| One-line summary | An 18-year-old fisherman from Havre de Grace launched his small boat on the Susquehanna River on a Wednesday evening in November and did not come home; his capsized boat was found the next morning, and six days later a search of boats, drones, aircraft and dogs is still under way. |
THE CASE
An evening on the river
Havre de Grace sits where the Susquehanna River meets the Chesapeake Bay, at the top of Maryland's Eastern Shore side of the bay. It is a waterman's town — marinas, boat ramps, and people who work on the water and fish on it when the working day is done. Mark Everett Coates III, 18, was one of them. He worked as a welder, and he had bought a 10-foot aluminium jon boat over the summer of 2026 because he often went fishing when he got off work. That was his routine, and the people who knew him knew it.
On Wednesday 4 November 2026, after a day of work, Coates went fishing again. He launched his small boat from the Water Street Boat Ramp in Havre de Grace, near the Thomas J. Hatem Memorial Bridge, which carries US 40 across the Susquehanna between Havre de Grace and Perryville. He was last seen at around 5 p.m., just before dusk, operating the boat on the river. He was the only person aboard.
What he was wearing is one of the few hard facts the search has to work with. Maryland Natural Resources Police said in a public post that Coates was last seen wearing a chartreuse long-sleeved T-shirt — a bright yellowish-green — and blue jeans. That description has been repeated in every appeal since, because on a wide, dark river, a bright shirt is the kind of detail a witness might remember.
Nobody has said publicly that they saw him after that. The river, that evening, was already a difficult place to be. Large logs were floating in the water on the morning he was reported missing, likely released by the Conowingo Dam upstream, and a friend who works at a local marina worried aloud that Coates may not have been able to see the debris at night. That is a worry, not a finding: no official statement has said what happened to the boat, or when it capsized. The dam releases logs and trash into the river regularly — it is, in the words of the marina owner who spoke to the press, "just part of life around here." Most of the time you can see them, he said. At night, that is no guarantee.
The boat, found without him
Early on Thursday morning, 5 November, a friend of Coates found his boat sticking out of the water near the Hatem Memorial Bridge. It had capsized. The boat was found near Garrett Island, in the Susquehanna roughly half a mile upstream from where he had launched. A co-worker at a nearby marina later told a television station that the overturned vessel had been spotted at about 7 a.m.; the accounts differ on exactly who first saw it, and this file records only what they agree on — that the boat was found overturned on Thursday morning, and that Coates was not with it.
The response was immediate. Joshua Argentino, part owner of the Havre De Grace Marine Center, called the Harford County Sheriff's Office and the U.S. Coast Guard as soon as he learned about the capsized boat. The authorities confirmed that the boat belonged to Coates. Argentino and others in the Havre de Grace community took to the water at once to search the shorelines, alongside the law enforcement officers who had been dispatched to the river.
"We jumped on the boat and immediately rolled out," Argentino said. Then he got a call from a neighbour — one of Coates' parents — who came out on the boat with him to search that Thursday morning. They spent the next five hours looking for him up and down the river. Argentino said Coates' parents have not left the water or its shoreline since that morning.
That is the shape of this case so far: a boat found empty, a family that has stayed on the river, and a town that moved without being asked. When the boat was found, friends, neighbours and fellow boaters in Havre de Grace immediately started to search. Three days later, the Baltimore Banner reported, that search was still going in full force.
The search
Maryland Natural Resources Police are leading the search, and the list of agencies involved shows how large it became. Alongside the Natural Resources Police are Maryland State Police, the U.S. Coast Guard, the Harford County Sheriff's Office, Baltimore City Fire Department, Baltimore County Police, Baltimore Police, Maryland Transportation Authority Police, Delaware State Police, the New Castle County dive team, Middle River Volunteer Fire & Rescue's dive team, Susquehanna Hose Company, Chesapeake Search Dogs, and Search and Rescue Dogs of Maryland.
The search has been concentrated on the stretch of the Susquehanna River between the Tydings Memorial Bridge, which carries I-95, and the Amtrak Bridge. At first that stretch was restricted to police and emergency crews only, and the public was asked to stay clear. Residents kept searching on Saturday and Sunday, though Natural Resources Police warned that high winds were making conditions on the water dangerous, and asked boaters to stay out of the search area. Only law enforcement was permitted to fly drones in the search area.
Search efforts resumed at 9 a.m. on Sunday. Maryland Natural Resources Police vessels were conducting surface searches, while Maryland State Police, Baltimore Police Department and Baltimore City Fire Department dive teams were conducting boat-mounted sonar searches. By Monday morning, five days in, the search was changing shape. Sunday's search had ended without finding Coates, and the teams moved away from dive operations as their primary method. Patrol boats, drones and aircraft took the lead, with searchers ready to return to side-scan sonar — an underwater imaging tool — if new leads developed.
On Monday 9 November, the restriction on volunteers was also eased. People who wanted to search on their own were no longer barred from the stretch of water between the Tydings Memorial Bridge and the Amtrak Bridge, which had previously been limited to official search teams. The community search and the official search were, by then, working the same water.
On Tuesday 10 November, the sixth day of the search, a national organisation joined it. The United Cajun Navy, a volunteer organisation that runs search and rescue and missing-persons operations across the country, stepped in to help coordinate resources. Its Incident Commander, Josh Gill, is working to bring more resources to the effort. The Harford County Sun, reporting the development on 10 November, said the organisation's involvement brought additional coordination capacity to a search that had now stretched nearly a week.
The same report carried the appeal that matters most. Anyone who was on or near the Susquehanna River on the afternoon of Wednesday 4 November is asked to come forward — to contact local law enforcement, or to reach Josh Gill directly. A person on a boat, on the shore, or on the bridge that afternoon may have seen something small: a boat, a bright shirt, a change in the water. Six days into a search, that is the kind of detail that still counts.
A town that will not stop looking
Havre de Grace is a small, tight-knit community, and the reporting of the last six days keeps returning to the same picture: people who did not wait to be organised. Friends, neighbours and fellow boaters started searching the morning the boat was found. Residents were out on Saturday and Sunday, scanning the shoreline while search boats travelled up and down the river under the bridge. On Sunday afternoon, the community gathered for a prayer circle at David Craig Park, at 599 N. Union Avenue, just steps from the bridge and the boat ramp where Coates had launched his boat. It was set for 3 p.m., as the search entered its fourth day.
The people who spoke to reporters did not talk about blame. They talked about the water, and about what comes next. Argentino, the marina owner, said the weekend had been sombre, and that people were reflecting and thinking about how to prevent something like this in the future. He said he and his friends who work on the water had made a pact: their children will always have life jackets on the boats or near the water. He added that a kill switch — a lanyard worn to stop a boat's motor if the wearer falls into the water — could also help.
"The water is unforgiving," he said. "It's not something that should be taken lightly."
That is the tone of the whole case as it stands: a community holding two things at once — the search for one young man, and the lesson his disappearance is already teaching the people who fish the same river. A local man interviewed by a Baltimore television station, who said he did not know the family personally, put it the same way: the situation had rocked the community, and as a fellow boater it hit close to home. He spoke about watching the weather and the tides, because storms come quickly on that water.
Coates' family has thanked local media for respecting their privacy while amplifying the search. That is worth recording plainly, because it is also a request: share the facts, share the description, share the tip numbers — and leave the family alone to wait.
What happens next
As of 10 November 2026, the search continues. The United Cajun Navy's arrival on the sixth day means more coordination and more resources, not a new phase with a known end. The search area remains the Susquehanna near Havre de Grace, between the Tydings Memorial Bridge and the Amtrak Bridge. The appeal remains the same: anyone who was on or near the river on the afternoon of 4 November, or who has any information about Coates' whereabouts, should contact Maryland Natural Resources Police.
There is nothing more to report than that, and this file will not invent more. No cause has been established for the boat capsizing. No official statement has said what happened to Coates after he was last seen at around 5 p.m. on 4 November. Nothing in the reporting relied on here says where he is, and this file will not guess.
What would change this file is simple, and it is the same as in every missing-person file: if Coates is found — alive or otherwise — or if the authorities announce a development, a finding, or a change in the search, this file will be updated with the date, the source, and the new stamp if the facts require it. Until then, the stamp stays MISSING, and the search goes on.
TIMELINE
- Summer 2026: Mark Everett Coates III, 18, a welder from Havre de Grace, buys a 10-foot aluminium jon boat so he can go fishing after work. — The Baltimore Banner, 8 November 2026 (read in full).
- Wednesday 4 November 2026, around 5 p.m.: Coates launches his jon boat from the Water Street Boat Ramp in Havre de Grace, near the Thomas J. Hatem Memorial Bridge (US 40), on the Susquehanna River, to go fishing after a day of work. He is the only person aboard. He is last seen wearing a chartreuse long-sleeved T-shirt and blue jeans. — Harford County Sun, 10 November 2026 (read in full); The Baltimore Banner, 8 November 2026 (read in full); Harford County Sun, 9 November 2026 (read in full).
- Thursday 5 November 2026, early morning: A friend finds Coates' boat capsized, sticking out of the water near Garrett Island, roughly half a mile upstream from the launch point. Coates is not with it. Joshua Argentino of the Havre De Grace Marine Center calls the Harford County Sheriff's Office and the U.S. Coast Guard; the authorities confirm the boat belongs to Coates. Argentino and others in the community take to the water at once; one of Coates' parents joins the search by boat, and they spend five hours searching up and down the river. — The Baltimore Banner, 8 November 2026 (read in full); Harford County Sun, 8 November 2026 (read in search results); Internewscast, 7 November 2026 (read in search results).
- Thursday 5 November 2026, morning: Large logs are floating in the water, likely released by the Conowingo Dam upstream. Argentino says he worried Coates may not have been able to see the debris at night; no official statement has said the debris caused the capsizing. — The Baltimore Banner, 8 November 2026 (read in full).
- Friday 6 – Saturday 7 November 2026: The search continues into its third day. Maryland Natural Resources Police warn that high winds are creating hazardous conditions on the water and ask boaters to stay clear of the search area between the Tydings Memorial Bridge (I-95) and the Amtrak Bridge, which is restricted to police and emergency crews. Residents keep searching the shoreline. — Harford County Sun, 8 November 2026 (read in search results); Internewscast, 7 November 2026 (read in search results); The Baltimore Banner, 8 November 2026 (read in full).
- Sunday 8 November 2026, 9 a.m.: Search efforts resume. Maryland Natural Resources Police vessels conduct surface searches; Maryland State Police, Baltimore Police Department and Baltimore City Fire Department dive teams conduct boat-mounted sonar searches. — The Baltimore Banner, 8 November 2026 (read in full).
- Sunday 8 November 2026, 3 p.m.: A community prayer circle is held at David Craig Park, 599 N. Union Avenue, Havre de Grace, as the search enters its fourth day. — Harford County Sun, 8 November 2026 (read in search results).
- Monday 9 November 2026, morning: The search enters its fifth day. Sunday's search ended without finding Coates. Dive teams are no longer the primary method; patrol boats, drones and aircraft lead the effort, with side-scan sonar to return if new leads develop. Volunteers are no longer restricted from the stretch between the Tydings Memorial Bridge and the Amtrak Bridge. — Harford County Sun, 9 November 2026 (read in full).
- Tuesday 10 November 2026: The search enters its sixth day. The United Cajun Navy joins, with Incident Commander Josh Gill working to bring more resources to the effort. Anyone who was on or near the Susquehanna River on the afternoon of 4 November is asked to come forward. — Harford County Sun, 10 November 2026 (read in full).
EVIDENCE & LEADS
- The last sighting (Wednesday 4 November 2026, around 5 p.m.): Coates launched a 10-foot aluminium jon boat from the Water Street Boat Ramp in Havre de Grace, near the Thomas J. Hatem Memorial Bridge (US 40), on the Susquehanna River, after a day of work. He was the only person aboard. He was last seen wearing a chartreuse long-sleeved T-shirt and blue jeans, according to a Maryland Natural Resources Police post. — Harford County Sun, 10 November 2026 (read in full); Harford County Sun, 9 November 2026 (read in full); The Baltimore Banner, 8 November 2026 (read in full).
- The boat (Thursday 5 November 2026, early morning): Coates' jon boat was found capsized near Garrett Island, roughly half a mile upstream from the launch point, sticking out of the water. A friend found it; the authorities confirmed it belonged to Coates. Coates was not with the boat. — The Baltimore Banner, 8 November 2026 (read in full); Internewscast, 7 November 2026 (read in search results).
- The man: Mark Everett Coates III, 18, of Havre de Grace, a welder, who bought the boat over the summer of 2026 because he often went fishing when he got off work. He fished the Susquehanna regularly. — The Baltimore Banner, 8 November 2026 (read in full).
- The first search (Thursday 5 November 2026): Argentino called the Harford County Sheriff's Office and the U.S. Coast Guard; community members took to the water immediately, searching shorelines alongside dispatched officers. One of Coates' parents joined the search by boat; they spent five hours looking up and down the river. Argentino said Coates' parents have not left the water or its shoreline since that morning. — The Baltimore Banner, 8 November 2026 (read in full).
- The agencies: Maryland Natural Resources Police are leading the search. Agencies involved include Maryland State Police, the U.S. Coast Guard, Harford County Sheriff's Office, Baltimore City Fire Department, Baltimore County Police, Baltimore Police, Maryland Transportation Authority Police, Delaware State Police, the New Castle County dive team, Middle River Volunteer Fire & Rescue's dive team, Susquehanna Hose Company, Chesapeake Search Dogs, and Search and Rescue Dogs of Maryland. The United Cajun Navy joined on 10 November 2026. — Harford County Sun, 9 November 2026 (read in full); Harford County Sun, 10 November 2026 (read in full).
- The search area: The stretch of the Susquehanna River between the Tydings Memorial Bridge (I-95) and the Amtrak Bridge. It was initially restricted to police and emergency crews; from Monday 9 November, volunteers were no longer restricted from it. — Harford County Sun, 9 November 2026 (read in full); Harford County Sun, 8 November 2026 (read in search results).
- The tactics: Dive operations were the primary method through the weekend, with boat-mounted sonar searches. From Monday 9 November, patrol boats, drones and aircraft lead the effort, with side-scan sonar to return if new leads develop. — Harford County Sun, 9 November 2026 (read in full); The Baltimore Banner, 8 November 2026 (read in full).
- The conditions: High winds made conditions on the water hazardous over the weekend; Natural Resources Police warned boaters to stay clear of the search area, and only law enforcement was permitted to fly drones there. — The Baltimore Banner, 8 November 2026 (read in full); Harford County Sun, 8 November 2026 (read in search results).
- The debris: Large logs were floating in the water on the morning Coates was reported missing, likely released by the Conowingo Dam upstream. Argentino said he worried Coates may not have been able to see the debris at night. This is his concern, not an official finding: no official statement has said what caused the boat to capsize. — The Baltimore Banner, 8 November 2026 (read in full).
- The community: Residents searched the shoreline on Saturday and Sunday; a prayer circle was held at David Craig Park at 3 p.m. on Sunday 8 November. Marina workers made a pact that their children will always wear life jackets on boats or near the water, and Argentino suggested a kill switch — a lanyard that stops a boat's motor if the wearer falls in — could help. — Harford County Sun, 8 November 2026 (read in search results); The Baltimore Banner, 8 November 2026 (read in full).
- The new appeal (Tuesday 10 November 2026): The United Cajun Navy joined the search, with Incident Commander Josh Gill coordinating additional resources. Anyone who was on or near the Susquehanna River on the afternoon of 4 November is asked to come forward. — Harford County Sun, 10 November 2026 (read in full).
- What is NOT evidence in this file: what caused the boat to capsize (no official statement has said); what happened to Coates after he was last seen at around 5 p.m. on 4 November (unknown); where he is now (unknown); who first spotted the overturned boat (accounts differ — see the fact log); any claim from social-media comments about what happened on the river that night (NOT used — see the fact log).
Caption: Illustration of a broad river at dusk with a distant bridge and an empty boat ramp — atmospheric artwork, not a photograph of the Susquehanna River, and not evidence.
STILL UNKNOWN
- Where is Mark Coates? He has not been found. The search, now in its sixth day, continues on the Susquehanna River near Havre de Grace.
- What caused the boat to capsize? No official statement has said. Large logs were in the water that morning, likely released by the Conowingo Dam, but whether debris played any part is not established.
- What happened after 5 p.m. on 4 November? Nobody has said publicly that they saw Coates after he launched his boat. The hours between the last sighting and the boat being found the next morning are unaccounted for in the public record.
- Who first spotted the overturned boat? The accounts differ — a friend, according to one report, and a marina co-worker at about 7 a.m., according to another. The difference does not change the facts that matter: the boat was found overturned on Thursday morning, and Coates was not with it.
- Was anyone else on the river that afternoon? That is the open appeal. Anyone who was on or near the Susquehanna River on the afternoon of Wednesday 4 November is asked to come forward — they may have seen something that matters.
- What will the search find? As of 10 November 2026, the search continues with patrol boats, drones, aircraft and dogs, and now the United Cajun Navy. No outcome is assumed in this file.
What would change this file: if Coates is found; if the authorities announce a development, a finding, or a change in the search; if a witness comes forward with information about the afternoon of 4 November; or if Maryland Natural Resources Police, the U.S. Coast Guard or the United Cajun Navy makes any further official statement about the case, this file will be updated with the date, the source, and the new stamp if the facts require it — never quietly rewritten. Until then, the stamp stays MISSING.
If you have information: Anyone who was on or near the Susquehanna River on the afternoon of Wednesday 4 November 2026, or who has any information about Mark Everett Coates III's whereabouts, is asked to contact Maryland Natural Resources Police at (410) 260-8888, or United Cajun Navy Incident Commander Josh Gill at (985) 507-2263. Do not send money to anyone claiming to hold or to have found him — official searches never ask for payment. Please respect the family's privacy while the search continues; share the description and the tip numbers, and leave the family alone to wait.
WATCH THE FULL STORY
No companion video yet. If Dark History Files' sister channel Curiozoid publishes a video on this case, it will be linked here.
SOURCES
- Harford County Sun, 10 November 2026 — "United Cajun Navy joins search for missing 18-year-old boater" (https://harfordcountysun.com/missing/united-cajun-navy-joins-search-for-missing-18-year-old-boater/ read in full, 10 November 2026): Coates last seen around 5 p.m. Wednesday 4 November near the Thomas J. Hatem Memorial Bridge on the Susquehanna River; he has not been found; the United Cajun Navy is now helping coordinate resources; Incident Commander Josh Gill is working to bring more resources to the effort; anyone who was on or near the river on the afternoon of 4 November is asked to come forward, or to reach Gill at (985) 507-2263.
- Harford County Sun, 9 November 2026 — "Search for missing Havre de Grace boater enters fifth day" (https://harfordcountysun.com/news/search-for-missing-havre-de-grace-boater-enters-fifth-day/ read in full, 10 November 2026): Maryland Natural Resources Police leading the search for Mark Everett Coates III, last seen operating a 10-foot jon boat on the evening of Wednesday 4 November; from Monday morning, dive teams no longer the primary method — patrol boats, drones and aircraft leading, with side-scan sonar to return if new leads develop; volunteers no longer restricted from the stretch between the Tydings Memorial Bridge (I-95) and the Amtrak Bridge; full list of agencies involved.
- The Baltimore Banner, 8 November 2026 — "Havre de Grace community rallies to find missing 18-year-old fisherman" (https://www.thebanner.com/community/local-news/missing-boater-teenager-havre-de-grace-D2ZCXPWYEJBLLMZSJXIRJDZL7A/ read in full, 10 November 2026): Coates, 18, a welder, went fishing on Wednesday evening after a day of work; bought the boat over the summer to fish after work; a friend found the capsized boat sticking out of the water early Thursday near the Hatem Memorial Bridge; last seen wearing a chartreuse long-sleeved T-shirt and blue jeans, per a Maryland Natural Resources Police post; Argentino called the Harford County Sheriff's Office and the Coast Guard; Coates' parents have not left the water or its shoreline since Thursday morning; five hours searching up and down the river on Thursday; large logs in the water that morning, likely released by the Conowingo Dam, and Argentino's worry about debris at night; high winds made conditions unsafe; search resumed at 9 a.m. Sunday with surface searches and boat-mounted sonar; life-jacket pact and kill-switch suggestion; "The water is unforgiving. It's not something that should be taken lightly."
- Harford County Sun, 8 November 2026 — "Search for missing 18-year-old Havre de Grace boater pauses for the night" (https://harfordcountysun.com/missing/search-for-missing-18-year-old-havre-de-grace-boater-pauses-for-the-night/ read in search results, 10 November 2026): search ended for the day Saturday evening, crews to return Sunday morning; Coates last seen Wednesday around 5 p.m. near the Hatem Memorial Bridge; launched a 10-foot aluminium jon boat from the Water Street Boat Ramp; overturned boat found Thursday morning near Garrett Island; search area between the Tydings Memorial Bridge and the Amtrak Bridge restricted to police and emergency crews; last seen wearing a chartreuse long-sleeved T-shirt and blue jeans; tip number Maryland Natural Resources Police (410) 260-8888.
- Harford County Sun, 8 November 2026 — "Prayer circle planned for missing 18-year-old boater Sunday" (https://harfordcountysun.com/missing/prayer-circle-planned-for-missing-18-year-old-boater-sunday/ read in search results, 10 November 2026): prayer circle at 3 p.m. Sunday 8 November at David Craig Park, 599 N. Union Avenue; search crews working the stretch between the Tydings Memorial Bridge and the Amtrak Bridge; high winds dangerous, only law enforcement permitted to fly drones in the search area.
- Internewscast, 7 November 2026 — "Desperate Search for 18-Year-Old After 10-Foot Boat Capsizes" (https://internewscast.com/news/desperate-search-for-18-year-old-after-10-foot-boat-capsizes/ read in search results, 10 November 2026): corroboration only — Coates last seen about 5 p.m. Wednesday after launching an aluminium jon boat near the Hatem Memorial Bridge; boat discovered overturned near Garrett Island, roughly half a mile upstream, on Thursday morning; a co-worker spotted the overturned vessel at about 7 a.m.; Coates had been fishing and was the only person aboard; U.S. Coast Guard joined the search.
- Social scan, 10 November 2026: social.search (Instagram/Threads/Facebook, recency-ranked, since 8 November 2026) returned the Coates search prominently — a missing-person alert post for Mark Everett Coates III and WMAR-2 News coverage of the continuing search, alongside the MSC Seascape arrest story; news-vertical searches returned the United Cajun Navy joining the search on 10 November as the freshest development. The trending call for this pick rests on that news record plus that social record, stated honestly here. No claim in this file rests on a social-media post alone. No search-volume numbers are stated anywhere in the draft, because no tool returned any.
- No competitor article text or image is reproduced in this file. Facts are stated in Dark History Files' own words, with official material attributed to its source. No source beyond those listed above was relied on for facts in the draft. No search-volume numbers are stated, because no tool returned any.
Caption: Illustration of a quiet riverside park at dawn — atmospheric artwork, not a photograph of any place in Havre de Grace, and not evidence.
Reader question: An 18-year-old who fished the same river after work launched his boat on a November evening and never came home — and six days later, his town is still on the water looking for him. While the search continues, what should change so that the next person who fishes alone at dusk comes home safe?
RELATED FILES
Previous file: DHF-074 — Newark Halloween Shooting: Two Teens Charged — https://thedarkhistoryfiles.blogspot.com/2026/11/newark-halloween-shooting-two-charged.html
Next file: DHF-076 — Mamta Kafle Bhatt: A Husband on Trial — https://thedarkhistoryfiles.blogspot.com/2026/11/mamta-kafle-bhatt-husband-on-trial.html
This file is based on public reporting and official statements available as of 10 November 2026. Read how every file is built on the About page (https://thedarkhistoryfiles.blogspot.com/p/about.html), or request a file via the Contact page (https://thedarkhistoryfiles.blogspot.com/p/contact.html).
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