When they turn back to the crime scene, detectives discover a clue that lay hidden in plain site for 24 years. Don't miss the season finale of Cold Case Files tonight. | Cold Case Files

SNEAK PEEK: “The only way that I could really describe your world being blown apart is..devastation and loss.” An intense new episode of Cold Case Files premieres TONIGHT at 9/8c, only on A&E. | Cold Case Files

Will the true identity of a killer be revealed decades after the crime was committed? Find out during a brand new episode of Cold Case Files TONIGHT at 9/8c on A&E. | Cold Case Files

After vanishing 37 years ago, a victim's murderer is finally identified in this clip from Season 2. | Cold Case Files

A crucial confession reopens a case 60 years later to find a piece of evidence that was "more than just a smoking gun." Tune into an all-new episode of Cold Case Files Friday at 9/8c on A&E. | Cold Case Files

A cold case featuring a mother who vanished without a trace heats up a decade later when her sister launches a social media campaign to solve her mysterious disappearance. An all-new episode of Cold Case Files starts TONIGHT at 9/8c on A&E. | Cold Case Files