Scoop: DATELINE on NBC - Friday, October 23, 2015

Scoop: DATELINE on NBC - Friday, October 23, 2015 "Tipping Point" And "Without a Trace" Airs Friday, October 23 at 9pm/8c

Reported by Dateline and NBC NIGHTLY NEWS anchor Lester Holt, this hour four years in the making reveals the INSIDE STORY of the notorious 1990 NYC subway murder of Brian Watkins. The special hour features two revealing interviews between Holt and Johnny Hincapie, including an exclusive TV interview in prison one year ago, and Holt's conversation with Hincapie hours after a judge overturned his conviction. The episode also presents exclusive footage from the Manhattan Supreme Court hearing that led to Hincapie's case being overturned.

When 29 year-old Carrie Olson doesn't show up for work and is reported missing, an entire community pulls together in the search. Detectives suspect foul play and soon focus their investigation on two men in her life. Andrea Canning reports.