Flags were at half staff across the state on Friday, following the shooting death of a 32-year-old Yarmouth Police officer Sean Gannon.
The man charged in his death is 29-year-old Thomas Latanowich. Authorities say Latanowich was well known to law enforcement on Cape Cod, and had more than 100 prior criminal charges. Latanowich pleaded not guilty in Barnstable District Court on Friday, he's due back in court in June.
This segment aired on April 13, 2018.