Karl Karlsen is accused of murdering his son after a truck falls while being repaired upstate New York.

Pacific Gas and Electric Company is investigated for negligence causing wildfires in California.

A fraudster sends fake emails posing as a person who he killed.

T.R. Wright shares his story on his insurance fraud scheme.

Duncan D. Hunter, a California congressman and his wife Margaret become partners in crime in campaign finance violations.

Tells the story of the twins who helped land El Chapo in custody.

Crowdfunded charities are supposed raise funds for good causes, but some are actually scams.

When all four members of the McStay family seemingly vanish into thin air—here one day, gone the next—a years-long quest for answers begins.

As the opioid epidemic destroys the lives of millions of Americans, billionaire drug mogul John Kapoor looks to cash in with his company Insys, which has its own brand of fentanyl.

A delusional, debt-ridden, and allegedly drug-dabbling spine surgeon maims and even kills patients in one botched surgery after another. It falls to two colleagues to step in where others won't.

Keith Raniere is a god-like figure in his mysterious organization NXIVM. Using his powers of persuasion along with classic multilevel marketing techniques, he amasses thousands of followers.

Michael Avenatti makes a splash as the litigator representing porn star Stormy Daniels in her dispute with Donald Trump...but it's soon revealed that he has legal troubles of his own brewing.