 What they've uncovered is a case that's about more than murder. It's about family loyalty, a life on the run, and a first-hand look at how the U.S. Marshals are trying to solve one of the oldest fugitive cases in American history. Now they may be closer than ever. From ABC News. Have you seen this man? Have you seen this man? I'm wondering if you have seen this man. Have you seen this man?