Dateline: Unforgettable

International fugitive Nicholas Rossi faked his death as investigators closed in on him after rape and fraud allegations; Andrea Canning tracks down the man of many identities and looks back on one of the wildest interviews of her career.

A tech titan is stabbed to death in San Francisco, sparking headlines and rumours; speculators are quick to draw conclusions, but Josh Mankiewicz revisits how video evidence revealed a far more complicated truth.

When a married art teacher is shot to death in her home, police untangle a complex web of relationships, including a three-way affair; Blayne Alexander revisits the twisted motive at the centre of this case.

World-renowned snake breeder Ben Renick is found shot to death in a facility crawling with reptiles; Andrea Canning reflects on a crime scene unlike any she's ever seen, where the initial suspect was a 600-pound anaconda.

A package bomb explodes at a Southern California day spa, killing a beloved esthetician; Josh Mankiewicz looks back at a case where aftershocks were still being felt in a quiet community. Show

When the wife of a wealthy doctor calls police to her waterfront mansion, they find her husband dead at the bottom of the stairs; Blayne Alexander reexamines a mystery with a stunning connection to the murder of another doctor decades earlier.

When the body of a 22-year-old college student is found a week after she vanished, theories about her murder run rampant through the Arkansas Ozarks; Dennis Murphy remembers the gutsy detective who made all the right moves to solve the mystery.

A beloved teacher vanishes from her home after a vicious attack; family members were in the house, yet no one saw or heard anything, and Andrea Canning is drawn to a case that seemed impossible.

A new father is found dead on the side of a road, and weeks later a young woman is stabbed to death in broad daylight; Josh Mankiewicz retraces lives that swerved out of control and a twisted murder plot that went off the rails.

When a firefighter is killed, the murder investigation unravels a web of secrets, a love triangle and stunning surveillance footage.