Snapped: The Murder of Ryan Michael Sullivan (Season 26, Episode 1)

How did the online love affair between solider Ryan Michael Sullivan and Kathyrn Nellie Briggs turn deadly? On October 14, 2008, the body of Sullivan, a Fort Hood staff sergeant, was discovered in his apartment, and when the deadly mastermind was finally unmasked, it left law enforcement in Killeen, Texas, speechless.