Host Ira Glass Host talks to Paul Gereffi, a letter carrier in Ft. Lauderdale who helped save the life of a stabbing victim who saw Gereffi's mail truck and flagged him down.

Sarah Koenig tells Raucci's story—the story of a virtuoso tyrant and bully, a man who made himself feared and untouchable, in a place where no one thought to look for a tyrant.

David and Chana discover a dark criminal plot inside their toxic asset.

Ira Glass speaks with a man named Daniel Johnson, who is in the K&R business. That's the kidnap and ransom business, where a company helps you negotiate to get back your loved one.

Isaiah Thompson tells the story of the Julia Tuttle Causeway in Miami, a bridge that became home to a population of sex offenders, after a powerful lobbyist named Ron Book helped make it illegal for them live almost anywhere else in the city. Isaiah Thompson is a reporter and columnist for the Philadelphia City Paper.

Michael May tells the story of Barry Cooper, a former crooked narcotics cop who has turned his interest elsewhere...to busting crooked narcotics cops. But after Cooper and a rich benefactor team up to set a trap for the police, Barry's plans are put in jeopardy—including his dream of creating a reality show called "Kop Busters." Michael May is the Culture editor at the Texas Observer.

Patrick Wall was a special kind of monk. He was a fixer.

James Spring had hit his late 30s, and found his life utterly unremarkable. He needed to do something big.