Called A Threat To Law Enforcement, National Security (CBS) -- BAGHDAD U.S. Army Sgt. Juwan Johnson got a hero's welcome while home on leave in June of 2004. "Not only did I love my son - but my god - I liked the man he was becoming," his mother, Stephanie Cockrell, remembers. But that trip home was the last time his family saw him alive. When Johnson died, he wasn't in a war zone, he was in Germany. "He had finished his term in Iraq," his mother said. "I talked to him the day before his death. He said, 'Mom,...