Man Accused Of Killing Yarmouth Cop Charged In Jailhouse Attack

BOURNE, MA – The man accused of fatally shooting Yarmouth K-9 Sgt. Sean Gannon is facing new charges in connection with an attack on another inmate at the Barnstable County Correctional Facility in Bourne. Thomas Latanowich, 30, was arraigned last week on charges of assault to maim and assault and battery with a dangerous weapon.

Latanowich is accused of altering a shaving razor and using it to slice a two-inch cut on the face and left ear of another inmate. The attack happened on Nov. 10 and began as a fist fight between the two inmates, according to the Barnstable Sheriff's Office.

Surveillance video shows Latanowich pulling a small, straight-edged razor from his waistband and using it to slash the other man, the sheriff's office said.

He was arraigned over a video call between the correctional facility and Falmouth District Court.

Latanowich is awaiting trial in Gannon's death. Authorities say he hid behind insulation in the attic of a Marstons Mills home and shot Gannon and his K-9 Nero while the pair and six other officers tried to arrest him.

Latanowich then disassembled the gun and threw bullets in the toilet as officers closed in on him, according to investigators. He ultimately surrendered to police.

Gannon, who was shot in the head, was later pronounced dead at the hospital. Nero recovered from his injuries.

Latanowich had over 100 charges at the time of the killing.

Photo: Thomas Latanowich. (Credit: Yarmouth Police Department)