Jeffrey MacDonald, Green Beret Doctor Convicted for Slayings of Wife & 2 Daughters, Seeks New Trial In 2006, the appeals court ruled that MacDonald could seek a new trial in federal district court based on retired Deputy U.S. Marshal Jim Britt's claim that he heard prosecutor James Blackburn coerce Stoeckley into lying. Blackburn told Stoeckley she'd be charged with the crimes if she admitted to being in the MacDonald home the night of the killings, Britt said. Britt died in 2008, and Senior U.S. District Judge James C. Fox rejected MacDonald's bid for a new trial two weeks later. MacDonald's...