Transcript for 'One Night in Central Park' - the 20/20 Documentary airs Tonight at 9/8c on ABC
Thirty years ago this was a crime that tough New York City apart I was beaten left for dead I'm an essential part jogger. Police said they were guilty Donald Thompson in the Hilton people who. Everyone knew the story to police. That there's a missing man. Exclusive new madness and stop new details there's information that I'm seeing for the first time in new twin twin document. Central and NBC.
This transcript has been automatically generated and may not be 100% accurate.