A retired police K-9 in Saratoga County is being mourned.

Jagger worked with Deputy Nic Denno from 2015 to 2019, and now lived with Denno’s family.

He was trained in patrol tracking and narcotics detection, the Saratoga County Sheriff’s Office said.

Jagger died at the vet on Monday after a medical emergency. He was 9 years old.