Some cases appear straightforward at first glance. A late-night crash on a quiet road, a damaged car, and a victim who doesn’t survive.

It started like so many Saturday nights at Mountain Park – music, crowded dance floors, and teenagers trying to stretch the night a little longer before heading home.

Regina Brown disappeared under troubling circumstances in April of 1987.

On a Saturday night in late June of 1986, a 20-year-old college student went out with friends in a familiar place, celebrating her softball team’s big win.

In the fall of 1976, a woman vanished from her home in rural Vermont sometime between a cup of morning coffee and the end of an ordinary workday.

Fifty years after James Cassidy’s death, there is still no simple explanation for his brutal murder.

In April of 1976, an anonymous call to a sheriff’s department in Maine alerted investigators to something almost impossible to imagine: a burning station wagon hidden off a remote road, and what looked like a body inside.

On a fall morning in 1988, police in Nashua, New Hampshire walked into an apartment and found two women murdered in their bed.

On a rainy night in late May 1989, a fire was spotted in a Westport, Connecticut parking lot.

On an August evening in 1982, children playing in Boston’s Franklin Park stumbled onto a scene that would quietly become one of the city’s most troubling unsolved cases.

On a quiet Saturday night in 1931, a 19-year-old cattle dealer sat at his desk to write a check that he never got the chance to finish signing.

Before she vanished, April Grisanti was a young woman trying to find her footing.