Son of late porn mogul Mitchell suspect in killing

In this undated booking photo provided by the Marin County Sheriff's office via The San Francisco Chronicle, James Raphael Mitchell, son of a late San Francisco pornography mogul Jim Mitchell, is seen. James Mitchell is being held without bail on suspicion of killing his former girlfriend and fleeing with their 1-year-old daughter, prompting an Amber Alert that ended with his arrest off a highway near Sacramento, authorities said. Danielle Keller, 29, was found beaten to death Sunday, July 12, 2009, evening in the backyard of a home in Novato, north of San Francisco. (AP Photo/Marin County Sheriff's Office via the San Francisco Chronicle) **MANDATORY CREDIT, MAGS OUT, NO SALES**