Article Photos: Trying to unlock secrets of dead serial killer 9/14

ADVANCE FOR SUNDAY, JAN. 27 - In this Aug. 3, 2011 photo, a poster asking for information about missing Essex couple Bill and Lorraine Currier hangs on the window the Richmond, Vt., Mobile station on U.S. Highway 2.  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, Glenn Russell) MAGS OUT; MANDATORY CREDIT; NO SALES; ONLINE OUT