K-9 Sergeant Sean M. Gannon was killed in the line of duty on April 12, 2018 while serving a search warrant in the Town of Barnstable.  Sergeant Gannon was an 8 year veteran of the Yarmouth Police Department and previously worked for the Stone Hill College Police Department.  Gannon started his career at Stonehill College in 2007 as a member of the Campus Police before joining the Yarmouth Police Department in 2010. Gannon was part of the Emergency Management Unit, a part-time member of the Proactive Anti-Crime Team, and he was the first K-9 narcotics officer for YPD.

Sergeant Gannon leaves a legacy of high moral integrity, infectious humor, and collaborative work with colleagues. He enjoyed travel, working with his hands, donating his time to Big Brother/Big Sister and being outside. He loved spending time with his family and friends. Sean was deeply intuitive and inspired others to be their best selves.

Support the Sean Gannon Memorial Fund