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, ...

A new 20/20 special, Badass Detective, follows a veteran investigator reopening decades-old cold cases. Here’s when it airs, ...

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 ...

Donna Adelson was convicted of murder and other charges earlier this year. The 2-hour special will include an interview with ...

When an Army nurse disappears, investigators discover a tangled web of lies and deception in a new episode of “20/20” airing on Friday, November 7. In season 48, “20/20″ continues to combine ...

The Chad Entzel case reveals a deadly affair, shotgun murder, and arson cover-up, detailed in 20/20: The Last Strike on ABC ...

The murder of the McStay family is now the subject of a new two-hour ABC '20/20' episode airing Friday, Oct. 3 at 9 p.m. EST The murder of the McStay family is now the subject of a new two-hour ABC 20 ...