Encounters

Take a trip inside the mind of Bill Gates as the billionaire opens up about those who influenced him and the audacious goals he's still pursuing.

When a suspect is found in a journalist's murder, the case is considered closed until a secret diary suggests 13 more victims — and possible cannibalism.

A community of amateur traders enacts a daring plan to get rich quick and wreak havoc on the stock market. But can they beat Wall Street at its own game?

When Lori Vallow's kids vanished, the search for them unearthed a trail of suspicious deaths, a new husband who shared her doomsday views — and murder.