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Chief of Police Frank Frederickson
Yarmouth Police Department
340 Higgins Crowell Road
Yarmouth, MA 02673
Phone: (508) 775-0445
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Police Officer Sean Gannon was shot and killed while assisting with serving a warrant. Officer Gannon and his canine partner were searching the home and located the suspect when he was struck by gunfire. Officer Gannon is the 21st officer to be shot and killed this year and the first officer fatality from the state of Massachusetts in 2018.