20/20

After a young college student is found strangled on the side of the road, the case goes cold until an eerily similar attack breathes new life into the investigation and helps law enforcement catch a killer.

A young woman is murdered in her own home, leaving only one mysterious clue to help catch a killer.

When a young woman is found dead in an abandoned house, the prime suspect goes on the run, leading authorities on a cross-country chase.

Two suitcases containing human remains are discovered along a Wisconsin highway, sending shockwaves through the community.

When a beloved mother and businesswoman vanishes, her family begins their own investigation and public campaign against the man they suspect is responsible.

A college student's murder haunts a community for years; with the verdict just in, jurors, investigators and friends reveal new details.