The fateful Titanic shipwreck of 1912 intertwines with a recent underwater OceanGate voyage that cost more human lives. Interviews with historians, wreck analysts, and descendants of Titanic passengers shed light on both tragedies.

Recent scientific advances have uncovered new secrets around the Titanic sinking, challenging previous notions about the ship's fate. This chapter continues to analyze the wreck and a recent underwater expedition that claimed more lives.

After the 9/11 terrorist attacks, the nation faced a new threat: anthrax, dubbed "the poor man's nuclear bomb." This easily weaponized bacteria sparked widespread fear, leading to one of the FBI's largest investigations.

The shocking killing of Reeva Steenkamp by Olympic superstar Oscar Pistorius on Valentine's Day 2013 shattered the illusion of a storybook romance between a celebrated Hollywood couple. Was it a terrible accident or a callous murder?

Saint Patrick's Day 1990, robbers stormed Boston's Gardner Museum, making off with 13 priceless artworks, never to be recovered. Valued at half a billion dollars, the whereabouts of the missing pieces remain a mystery.

In the summer of 1996, a bombing at the Atlanta Olympics killed two and injured over 100; an intense manhunt ensued, with the media and law enforcement falsely accusing security guard Richard Jewell as a suspect.

Interviews with former special agents, journalists, and Richard Jewell's associates provide insight into the case and its aftermath; subsequent bombings over the next eighteen months led investigators to suspect a serial bomber in Atlanta.

On September 29, 1982, seven Chicago-area residents were suddenly stricken with a deadly illness. At first doctors were at a loss, but they soon discovered a sinister connection: all the victims had recently taken cyanide-laced Tylenol capsules. This launched an investigation that has lasted over four decades and forever changed the way medications and other goods are packaged in stores. This episode features interviews with family members of the victims, law enforcement who were first responders on that day, medical examiners and investigators on the case.

On July 5, 1998, a wealthy widow named Irene Silverman disappeared from her New York City townhouse. While police went on a frantic search for her, they had no idea the investigation would unravel one of the most shocking series of crimes they had ever seen – a trail of violence and fraud that stretched from the Bahamas to Los Angeles perpetuated by Sante and Kenny Kimes. This episode features interviews with Sante Kimes's son Kent Walker, Sante Kimes's attorney, NYPD officers who worked the case, and a journalist taken hostage by Kenny Kimes in prison.

When Iranian students stormed the US Embassy in Tehran in November 1979, they took the Embassy staff hostage and held them for 444 days. Only a handful managed to escape, but they were trapped in Iran until the CIA came up with a daring plan to bring them home. This top-secret mission was the subject of the Academy Award-winning film Argo. In this episode, several former hostages detail their time in captivity, and three of the Tehran Six escapees tell of their daring rescue.