Killer Thriller: A Bomb Blew a Passenger Jet Out of the Sky. This FBI Agent Helped Crack the Case.

When a bomb destroyed Pan Am Flight 103, killing 270 people, it launched one of the largest terrorism investigations in history. And the case still isn't over.

Former FBI agent Dick Marquise reveals how investigators tracked down the killers, the secrets behind the investigation, what it was like serving as a consultant on the Netflix series The Bombing of Pan Am 103 and being portrayed by Patrick J. Adams.

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