New Details Released in Shooting Death of Sean Gannon

YARMOUTH, MA (WBZ-AM) -- New details are being released in the shooting death of a Yarmouth Police Sergeant, who was killed while trying to serve an arrest warrant in April.

Sergeant Sean Gannon went into an attic twice, searching for the suspect accused of ultimately killing him.

The Cape and Islands District Attorney says Gannon climbed into the attic of a home in Marstons Mills through a hole in a closet ceiling and found drugs and clothing in two bags.

He then left the attic, but went back up a second time after further evidence that someone was up there.

Read The New Information By Cape & Island District Attorney's Office

Gannon moved a piece of insulation that led to another part of the crawl space and was immediately shot in the head by the suspect hiding behind it.

Fellow officers pulled Gannon back down through the hole and tried to revive him. 

Yarmouth Police Chief Frank Frederickson says it's important the public knows what really happened that day and is glad the district attorney is releasing the new information.

WBZ NewsRadio1030’s Kim Tunnicliffe reports.

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