Dateline

The case of Johnny Hincapie, whose conviction for the 1990 murder of a Utah tourist in New York -- a case that represented a tipping point in the city's law enforcement -- was overturned after 25 years.

An Army veteran in Orange County, CA vanishes before her college graduation. A massive search turns up nothing, but detectives do find a clue: a cryptic 911-call that helps uncover the truth and exposes a twisted story of unrequited love.