Dateline Unforgettable

Chris Smith's family received an email stating that he was leaving California to surf the world. Months later, they wondered if he really left. Keith Morrison offers new insights into the case.

After Lisa Zeigert is killed, her family keeps the case in the public eye for decades. Andrea Canning reflects on the harrowing mystery and discusses the inspiration she's drawn from Lisa's loved ones.

A woman in Los Angeles is killed in an apparent botched burglary; nearly 20 years later, a detective discovers a clue that turns the case on its head; Josh Mankiewicz revisits a story with a twist that surprised him.

Police investigate when the seemingly storybook romance between a football player and the homecoming queen ends in a death.