A teenage musician is murdered in her home and another young woman is attacked nearby in a new episode of "20/20" airing on ...

Unforgettable Season 7 Episode 9, examining key evidence, family suspicions, and why the 2001 case remains unsolved ...

A dogged detective will stop at nothing to solve the murders of two young women in a new episode of "20/20" airing on Friday, ...

The show follows the work of officer Matt Hutchison of Sunnyvale, California, as he uncovers the facts in cold cases.

Gary Ramirez is serving a life sentence for the 1982 murder of 15-year-old Karen Stitt, a cold case solved decades later ...