The man accused of shooting and killing a Yarmouth, MA, police officer on Cape Cod Thursday afternoon had 114 prior offenses as an adult, a law enforcement source tells Boston 25 News.

Yarmouth police Officer Sean Gannon was serving a warrant to Thomas Latanowich at a home in the Marstons Mills village in Barnstable when he was shot in the head and was killed, according to police.

After the shooting, police said Latanowich barricaded himself inside the Blueberry Lane home for more than an hour before he was arrested.

Officials say the warrant was being served to Latanowich for a probation violation related to several firearms violations and was out on bail from Middlesex County at the time of the shooting.


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