At age 19, Richard Davis joined the military, following in his parent's footsteps. After serving in Bosnia, Richard re-enlisted and found himself at the forefront of the 2003 invasion of Iraq. Just two days after his return to the United States, Ric... (more)hard mysteriously vanished. What happened to him only came to light months later. Correspondent Erin Moriarty reports on this case of duty, death and dishonor.