Article Photos: Trying to unlock secrets of dead serial killer 6/14

FILE - This image taken Dec. 4, 2012, in Anchorage, Alaska, shows video surveillance footage of Samantha Koenig, 18, making a cup of Americano coffee for Israel Keyes, shortly before he abducted her Feb. 1, 2012, and then killed her.  Keyes showed no remorse as he detailed how he'd abducted and killed the 18-year-old woman, then demanded ransom, pretending she was alive. His confession cracked the case, but prosecutors questioning him soon realized there was more, he has killed before.  Before divulging more details, Keyes committed suicide in his cell.  (AP Photo/Mark Thiessen)