Police arrested a suspected serial killer in Stockton

A man suspected of killing six men and wounding a woman in a series of shootings in Northern California was arrested before dawn Saturday as he drove through the streets of Stockton, armed with a handgun and possibly searching for another victim, police said.

Investigators began watching the suspect after receiving tips and stopped him in a car at about 2 a.m. in the Central Valley city, where five of the shootings took place, Police Chief Stanley McFadden said at a news conference.