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Jun 25, 2026

Seafood worker charged in stabbing near Nantucket ferry docks says video backs self-defense in wealthy enclave

Massachusetts

Seafood worker charged in stabbing near Nantucket ferry docks says video backs self-defense in wealthy enclave

Attorney Rob Moriarty says footage shows the alleged victim punching Kemar Downer from behind before being stabbed

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The seafood delivery worker accused of stabbing a man near Nantucket’s busy ferry docks claims police video shows he acted in self-defense after being attacked from behind in the heart of the ritzy island’s downtown, his attorney told Fox News Digital.

Kemar Downer, 40, a Sayle’s Seafood employee, was arraigned Wednesday morning in Nantucket District Court on two charges of assault and battery with a dangerous weapon causing serious bodily injury.

"The video corroborates Kemar’s statements," his attorney, Rob Moriarty, told Fox News Digital , describing the footage as showing "complete and total self-defense."

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"The video was amazing for them," Moriarty said of the defense.

Kemar Downer being arrested

Kemar Downer, 40, a Sayle’s Seafood employee, was arraigned Wednesday morning in Nantucket District Court on two charges of assault and battery with a dangerous weapon causing serious bodily injury. (Jason Graziadei / Nantucket Current)

Moriarty said the altercation was "over a girl," The Inquirer and Mirror reported.

Moriarty said the video shows the alleged victim, a Reis Trucking employee whom he described as larger than Downer, coming up behind his client and punching him several times in the back of the head.

"He surprised him, punches him like three times in the back of the head," Moriarty said. "Kind of knocks him into something. I can’t tell exactly what it was. He was leaning over at the time."

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The attorney said the man then kicked Downer multiple times before the knife came out.

"And then as he’s kicking him, that’s when I think the knife comes out," Moriarty said.

High speed ferry from Hyannis, Massachusetts to Nantucket

A few passengers ride the 11:55 high speed ferry from Hyannis to Nantucket as it leaves Hyannis Harbor in Hyannis, MA on March 18, 2020.  (John Tlumacki/The Boston Globe via Getty Images)

The stabbing erupted Tuesday morning on South Beach Street, a downtown stretch near the Steamship Authority ferry terminal, where summer visitors pour onto Nantucket with beach bags and luggage before fanning out toward the island’s cobblestoned streets.

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Nantucket police previously said officers responded at 10:23 a.m. to South Beach Street between Broad Street and Oak Street for a reported stabbing. The injured person was treated at the scene and rushed to Nantucket Cottage Hospital.

Downer was released on $2,500 bail and was ordered to stay away from the alleged victim, have no contact with him, wear a GPS tracking device and remain at least 25 yards from the alleged victim’s home, according to The Inquirer and Mirror.

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Moriarty also argued in court that Downer should not have been held overnight because there was a chance he could have been arraigned Tuesday, the outlet reported.

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"Nantucket police essentially decided they were not going to abide by the Constitution, because they think they’re above it," Moriarty said, according to The Inquirer and Mirror.

Boats in the harbor in Nantucket

Evening light falls on boats as they bob in the harbor of Nantucket, MA on Aug. 13, 2020.  (Erin Clark/The Boston Globe via Getty Images)

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According to a police report cited by the outlet, Downer told investigators he was delivering juice to The Juice Bar, a popular ice cream shop on the island, when the Reis Trucking employee began punching him in the back of the head.

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