True Crime

She's one of the most prolific female serial killers of all time, with an estimated 36 victims.

What's it like to communicate with the world's most depraved murderers?

New evidence suggests that the murderer may not have been the man convicted.

Walburga's bizarre love affair cost her husband his life.

Did Holmes' reign of terror reach England?

Mary Rose Craver knew something was terribly wrong...

Some nurses shouldn't be trusted...

This hotel hid secrets and bodies within its walls.

It's as if she vanished into thin air...

They hit the road for a romantic summer adventure, and were never seen again.

This deadly pair from 18th century America left a bloody trail across the frontier as they slaughtered men, women, and children to satisfy their bloodlust.

One island, one couple, one murder.

Aside from the family cat, the Patterson household was eerily devoid of life.

They thought they hit the jackpot…but it came with a terrible price.

What could drive a caregiver to kill?

When Ms. Harvey's son finally opened the door, he was met with a grisly sight...

Constanzo was convinced he could protect his criminal operation through ritual murder.

It's one of the most shocking crimes imaginable...

Did you know that Laura Palmer's death was inspired by a real-life murder case?

He seemed have everything going for him ... but darkness lurked beneath the surface.