A mother's defense: The serial killer did it

On Jan. 2, 2000, in Del Rio, Texas, sheriff's Lt. Larry Pope was questioning a drifter suspected in the New Year's Eve stabbing death of a 13-year-old girl. As Pope and a colleague asked the 35-year-old bearded man about the girl's death, he stunned them by calmly asking: "I guess you want to know about the other ones."