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Dr. Susan Langdon was introduced as a guest lecturer at Quantico in Guilty. She is portrayed by Anne Heche.

Character Biography

Dr. Susan Langdon, worked as a FBI special agent and was assigned to the case of the 'welfare mom' serial killer who had killed up to 8 women. During the case, the killer taunted her. After a separate victim was discovered, she ended up falsifying evidence to get her main suspect prosecuted. Later, she wrote a successful book about how she captured him and then became a forensic pathologist.

Trivia

  • She is a former FBI agent.
  • After resigning from the Bureau, she later became a forensic pathologist.