Host Ira Glass bikes around Manhattan with Gersh Kuntzman, in search of illegal license plates.

Ira summarizes part one of our story.

Ira hears from a woman named Shannon about a phone call she got in 2008 that cast doubt on whether an 18 year old named Marie was telling the truth about being sexually assaulted. This idea leads to one of two investigations—one small and bad, and the other stunningly big and good.

We tell the story of that patient, Alan Pean, and how his delusions lead him to a situation that's just as strange as the worst thoughts his mind is cooking up. This story is a collaboration with the New York Times.

Ira tells the story of Lisa Mahone, who was pulled over by a police officer who she says was acting really weird. When he pulled a gun on her, Lisa decided to call 911 — on the cop.

A few years back, when he and his family were driving home from a vacation in Texas, John Nova Lomax realized that the police were aggressively tailing him. And he was definitely not prepared for the reason they pulled him over.

Host Ira Glass speaks with former FBI agent Bill Tobin about police collusion with organized crime in 1970s Chicago. It turns out that old boys networks like the mob pull in good and bad cops alike.

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.

For 17 months, New York police officer Adrian Schoolcraft recorded himself and his fellow officers on the job, including their supervisors ordering them to do all sorts of things that police aren't supposed to do. For example, downgrading real crimes into lesser ones, so they wouldn't show up in the crime statistics and make their precinct look bad.

Ira speaks with Richard Dorsay, who became famous in 2004 when police learned that for years Richard and a friend had been living inside of a Chicago bridge. And this was no ordinary bridge.

Host Ira Glass talks a veteran police officer about a time in his 20s when he gets sent to a car accident—and it turns out the driver at fault was a nicely dressed chimpanzee. The chimp seemed harmless enough until the other police officer on duty tries to arrest the chimp&'s owner.

Paul was a cop. One night he was pulling second shift when he had a perfectly good idea: He'd stretch out in the back seat and take a little nap during his break.

We hear the secret recordings that ended mob control of New York garbage collection, and talk to Rick Cowan, the NYPD detective who went undercover for three years to make them.

The story of how common and perfectly legal police interrogation procedures, procedures without violence or torture, were able to get an average fourteen-year-old suburban kid to confess to murdering his own sister...even though DNA evidence later proved that he hadn't done the crime.

We hear from Father Jim Kastigar, who got on the wrong side of Town Hall and suffered the kinds of consequences people in Cicero suffer. His parish was denied a permit to hold an outdoor religious ceremony they'd held peacefully for seven years, the youth group's tamale fundraiser was shut down by city inspectors and the parking lot near the church was deemed unfit for Sunday parking.

Host Ira Glass goes to jail in Bristol County, Massachussetts, where there's a large Portuguese community, and where even a law-and-order sheriff named Tom Hodgson opposes this particular immigration law. He also talks with inmate Jorge Aruda, who's being deported for a crime he already served his sentence for.

Ira talks with producer Blue Chevigny about how a prank caller taught her that when it comes to pursuing happiness, Carole King, the world of independent cinema and the New York City Police Department have a lot more in common than she ever imagined. He also talks with MIT Professor Pauline Maier, author of the book American Scripture: Making the Declaration of Independence.

We hear the first part of our story about Archer Daniels Midland and FBI informant Mark Whitacre. In this half, Whitacre inadvertently ends up a cooperating witness—and turns himself into one of the best cooperating witnesses in the history of U.S. law enforcement, gathering evidence with an adeptness few have matched.

Monica Childs joined the Detroit police force because she hated cops, and wanted to change the system from the inside. She wanted to be an honest cop.