FRESNO, Calif. -- Authorities in California say an off-duty law enforcement officer killed a police officer and critically wounded his father before killing himself in a shooting during a birthday party.
Kings County sheriff's detectives say 32-year-old Ramiro Trevino Jr. died after fatally shooting 31-year-old Johnathan Diaz and critically wounding 58-year-old Ramiro Trevino Sr. Saturday in Hanford.
Authorities say Diaz was a Lemoore police officer and a friend of Trevino Jr., who worked as a Kings County welfare fraud investigator.
Investigators say the shooting occurred around 9 p.m. at the party for the elder Trevino in the community about 33 miles (53 kilometers) south of Fresno.
Detectives say the two men intervened in a fight between Trevino Jr. and his girlfriend and soon after he armed himself with more than one gun.