Firsthand accounts from authorities and journalists illuminating four disturbing events as they describe the twists and turns of the investigations and the breakthrough moments that led investigators and police to each killer's doorstep.
"The Fatal Flaw -- A Special Edition of 20/20" — show released in 2022. "The Fatal Flaw -- A Special Edition of 20/20" is currently available to stream on Hulu. Click on a playlink to watch it now!
Where to Watch The Fatal Flaw -- A Special Edition of 20/20 online
