Sergeant Sean McNamee Gannon

Sergeant Sean McNamee Gannon

Yarmouth Police Department, Massachusetts

End of Watch Thursday, April 12, 2018

Sean McNamee Gannon

Sergeant Sean Gannon was shot and killed while assisting with a warrant service at 109 Blueberry Lane, in Barnstable.

Sgt. Gannon and his canine partner, Nero, were searching the home and located the wanted man in a closet. The man opened fire, fatally wounding Sgt. Gannon and wounding Nero. The man then barricaded himself inside the house for two hours before being taken into custody.

The 29-year-old subject was charged with Sgt. Gannon's murder. His record showed he had 111 prior offenses and was on probation.

Sergeant 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. He is survived by his wife, parents, brother and sister.

Sgt. Gannon was posthumously promoted to the rank of sergeant with the Yarmouth Police Department a week after his death.

Bio

  • Age 32
  • Tour 7 years, 5 months
  • Badge 5992

Incident Details

  • Cause Gunfire
  • Weapon Gun; Unknown type
  • Offender Charged with murder

k9 apprehension, warrant service

Most Recent Reflection

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Sean,

I thought of you tonight when I drove by your house while on patrol. It's hard to believe that nine months have passed so quickly. Thank you for your service. Please watch over your Cape Cod brothers as you rest in peace with the savior Jesus Christ.

Offc. Russ Francis
Dennis P.D.

January 8, 2019

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