Article Photos: Trying to unlock secrets of dead serial killer 13/14

ADVANCE FOR SUNDAY, JAN. 27 - In this June 9, 2011 photo, Essex police search the home of missing couple Bill and Lorraine Currier on Colbert Street in Essex Junction, Vt., after obtaining a search warrant. After confessing to killing a 18-year old woman in Alaska, Israel Keyes is suspected of killing Bill and Lorraine Currier. Keyes was found dead in his cell on Dec. 2, 2012.   Investigators have used Keyes' financial and travel records to piece together a timeline of his whereabouts from Oct. 4, 2004, to March 13, 2012. He traveled throughout the United States and made short trips into Canada and Mexico. (AP Photo/The Burlington Free Press, Ryan Mercer) MAGS OUT; MANDATORY CREDIT; NO SALES; ONLINE OUT