Police ID, search for suspect wanted in deadly Westerly shooting

South County

WESTERLY, R.I. (WPRI) — Westerly Police have identified the man wanted for a deadly shooting that happened Saturday afternoon.

Police were called to 11 B Marriott Ave. around 4 p.m. on Saturday for a report of a shooting. When they arrived, they found a man with a gunshot wound to the chest.

After making sure the scene was safe, rescue personnel started to revive the victim, identified as Vincent Sebastian, 28, of Ledyard, Conn., but he was pronounced dead a short time later.

While interviewing witnesses at the scene, police learned that the suspect, identified as Louis Seignious Jr., of Norwich, Conn., had left the scene and was possibly headed to Connecticut.

Louis Seignious Jr.
Louis Seignious Jr.

A short time later, Mashantucket Police began pursuing a vehicle with Seignious inside. At some point, the suspect got out of the vehicle and took off into a wooded area in Ledyard.

According to Ledyard Police, Mashantucket Police, Connecticut State Police, and K-9 and patrol units from Westerly, Groton, Stonington and Montville all assisted in the search.

At this time, police say they are still looking for Seignious and he is considered armed and dangerous.

During the investigation, police learned that the suspect and the victim were cousins and that Seignious had a child with a woman living at the home on Marriott Avenue.

The suspect is described as being American Indian/Alaskan Native, 6’2″ tall weighing 180 lbs. with black hair.

The incident is still under investigation and anyone with information is asked to call police.

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