My Mother’s Sins l 20/20 Diane Downs l Part 3

WATCH THE FULL EPISODE OF 20/20: https://bit.ly/2uqkFD4 Suspicion about Diane Downs' role in kids' shooting continues to increase Police uncover more evidence that contradicts Downs' account that a bushy-haired stranger shot her and her three children. READ MORE: https://abcn.ws/2W9dzyC In 1983, Diane Downs said a stranger shot her 3 kids, but police decided she was lying