The victim, Senior Inspector Marcos Barte, 46, was with three companions aboard an owner-type jeep when the gunman approached and shot him with a caliber .45 pistol in the head, chest and arms.
The group had just attended a friend’s birthday party in Barangay Kumintang Ibaba when the incident happened at about 8:30 p.m.
Barte resided in Barangay Soro-soro Ilaya here.
Barte’s companions Roberto Gudoy, a former policeman who was driving the owner-type jeep, Imelda Shin and Ronie Valiente were unharmed.
Police said Gudoy identified the assailant as one Agripino Guevarra, a barangay tanod and resident of RK Subdivision here.
Investigators said an old personal grudge could have motivated the killing.