Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
After cyanide-laced Tylenol kills multiple people across Chicago, police and the media scramble to spread a nationwide warning.
A key suspect maintains his innocence, even as authorities discover his suspicious past and possible motive. Tylenol unveils new triple-seal packaging.
Decades after the murders, a victim's daughter searches for justice — and uncovers forgotten evidence that supports a controversial theory.
Crime Diaries: Night Out
I Was There When House Took Over the World
Pandora's Box: Unleashing Evil
Dateline
Unsolved Mysteries
The Real Murders on Elm Street
Long Way Home
El puzzle blanco
What The Killer Did Next
Confronting a Serial Killer
aka Charlie Sheen
The 410
