Beginning in 1968 and continuing into the 1970s, a predator stalked California and New York, torturing, raping and murdering young girls and women. But who was the monster behind these tragedies? Eventually, a suspect emerged, but he didn't look like a monster. Indeed, Rodney Alcala was a handsome, charming photographer who'd once studied film at New York University under director Roman Polanski. With his wit and easy self-confidence and...