The investigation into the shooting death of Spc. Alyssa Peterson found her suicide came soon after she was reassigned for objecting to prisoner interrogation techniques but did not specifically give a reason for her action. A Flagstaff soldier who died in Iraq committed suicide after she refused to participate in interrogation techniques being practiced by her U.S. Army intelligence unit, according to a report about an Army investigation aired by a Flagstaff radio station. U.S. Army Spc. Alyssa R. Peterson, 27, died Sept. 15, 2003, in Tel Afar, an Iraqi city of about 350,000 residents in the northern part of...