When Ronald "Loony" Barron urged a young graffiti tagger to put away his paint cans, he was doing what he viewed as his mission — steering kids away from crime — but he paid for it with his life. Los Angeles police arrested a 16-year-old boy on Tuesday, saying he ...

A crackdown on a vicious Mexican drug gang has led to the arrest of five Tijuana police officers, including two who had been at the forefront of the border city's efforts to rid the force of corruption. The five officers were caught at a house ...

This is Bulldog Country, or so the bumper stickers say. But whether that identifies the home of scrappy Fresno State athletics or the deadly turf of a criminal enterprise labeled the most entrenched gang in America depends on the success of a police surge now entering its fourth year ...

When a gang member was released from jail soon after his arrest for selling methamphetamine, friends and associates assumed he had cut a deal with authorities and become a police informant. They sent a warning on Twitter that went like this: We have a snitch in ...