David Yang was shot to death early Wednesday morning in Chico, north of Sacramento.
Yang attended Duncan and Sunnyside High Schools before moving to Northern California to attend college.
Police say the suspect, 27-year-old Jeffrey Menzies, had been drinking Tuesday night.
Yang's body was found about 3 a.m. slumped over in his car.
Menzies' car was found nearby with guns and ammunition inside and he was arrested Thursday.
People who knew Yang say he was one of the nicest people they knew.
Yang worked at a rehabilitation hospital and was also a pastor at a local church. He is survived by his wife Sarah.