Hunting for the Zodiac Killer

Each year, government estimates suggest roughly 200,000 Americans are involved in cults—often in secret and largely by choice. Who are they? And what can we learn from the tragic story of Heaven’s Gate?

The Medellin Cartel becomes the most powerful cocaine traffickers in the world, but when they go to war with Colombia, the cartel tests their limits.

Sonny Barger helped mold the Hells Angels into a bloodstained blueprint for all outlaw biker clubs that followed.

When Bronx Capo John Gotti turned on boss Paul Castellano, the most powerful NY Mafia family changed forever.