In this special episode, we return to guests from the season, sharing unheard stories of personal triumph, new investigations and more.

See omnystudio.com/listener for privacy information.

In this bonus episode, we sit down with terrorism researcher Arie Kruglanski to better understand how individuals become radicalized towards extremism.

See omnystudio.com/listener for privacy information.

In May 2022, a gunman stormed a Buffalo supermarket, killing ten in a racist massacre. As families grieve and a community reels, investigators work to untangle the shooter’s path to violence and confront the deeper divides that made the attack possible.

See omnystudio.com/listener for privacy information.

In rural Kansas, a militia’s plot to bomb an apartment complex filled with Somali immigrants pushes an FBI agent and a reluctant informant into a dangerous undercover investigation that tests the limits of trust, timing, and the line between speech and violence.

See omnystudio.com/listener for privacy information.

The deadliest terrorist attack in history reshapes America overnight. From the ruins of 9/11, investigators build new tools to disrupt threats before they erupt and uncover a chilling plot to blow up fuel lines at New York’s JFK Airport.

See omnystudio.com/listener for privacy information.

The bombing of the Oklahoma City federal building kills 168 people and injures hundreds. As America’s heartland reels, investigators race to uncover clues that will lead them to the man behind the deadliest act of domestic terrorism in U.S. history.

See omnystudio.com/listener for privacy information.

From a hidden bomb workshop to a string of swift apprehensions, the World Trade Center bombing probe dismantles a dangerous network, its trial sounding an ominous warning of an attack still to come.

See omnystudio.com/listener for privacy information.

A truck bomb rips through the World Trade Center, killing six and injuring thousands. As smoke clears, investigators follow a shard of metal to a hidden terrorist network.

See omnystudio.com/listener for privacy information.