RIP Police Officer Sean Gannon., Yarmouth Police Department, Massachusetts. End of Watch Thursday, A
Police Officer Sean Gannon was shot and killed while assisting with a warrant service at 109 Blueberry Lane, in Barnstable. Officer Gannon and his canine partner, Nero, were searching the home and located the wanted man in a closet. The man opened fire, fatally wounding Officer Gannon and wounding Nero. The man then barricaded himself inside the house for two hours before being taken into custody. The subject was charged with Officer Gannon's murder. Officer Gannon had served with the Yarmouth Police Department for 7-1/2 years and previously served with the Stonehill College Police Department and Nantucket Police Department.