Is This a Serial Killer or a Con Man?

"This is a case of somebody who might have killed many more people than he was executed for. Many of those people killed were possibly before he ever did that prison stint before he was released, right? Because of World War I." "He's operating as a con man. He's using his skills as a conman to lure women," she says. 'And he's probably either torturing them like a sexual sadist or somehow otherwise, you know, brutalizing them in a sexual manner'