On April 4, 1991, 20-year-old Angela Hammond was standing at a payphone in Clinton, Missouri, talking to her fiancé.

During the call, she mentioned a suspicious green pickup truck circling the block.

Moments later, he heard her scream.

He rushed to the scene and saw a truck speeding away but his own vehicle broke down during the chase. Angela was never seen again.

In this episode, we walk through the chilling timeline of that night, examine witness accounts and vehicle descriptions, and explore why this case has remained unresolved for more than three decades.