Six weeks after jumping bail in Galveston, Texas, Robert Durst is caught on a store security camera in Pennsylvania shoplifting a sandwich and is quickly sent back to Galveston to stand trial for the murder of his neighbor, Morris Black.

Dr. Michael Swango took an oath to "do no harm." But he did just the opposite.  Suspicious illnesses and deaths followed this once-trusted physician-turned-killer from hospital to hospital for nearly two decades and across two continents.