Their Mission: Make a List Of People With Links; On It Was 'The Source' TIKRIT, Iraq -- The capture of Saddam Hussein began with four names Maj. Stan Murphy scribbled on three pieces of paper and ripped from a small green notebook. The 41-year-old intelligence officer with the First Brigade of the Fourth Infantry Division knew these names were just a small part of a much larger web of names and families likely to be hiding Mr. Hussein. He handed the names to two junior U.S. military-intelligence analysts in Tikrit: Lt. Angela Santana, 31, and Cpl. Harold Engstrom, 36, both...