Unusual Suspects

Forget Me Not (9x13)

Show finale

Air date: Jan 10, 2018

A teenage girl has been missing for a month before she is found murdered in tranquil La Porte, Ind.; dogged investigators spend 15 years searching for the victim's killer.

Rank #9692

Premiered: May 2010
Episodes: 115
Followers: 15

Ended
Investigation Discovery
Tuesday at 21