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
Quantico Season 1 Episode 9
At Quantico, the NATS attend a class with guest speaker Dr. Susan Langdon. Dr. Langdon is a former agent and profiler who tasks the trainees with looking at serial killer cases to find the one victim that doesn
Season 1 - Sep. 27, 2015
Season 2 - Sep. 25, 2016
Season 3 - Apr. 26, 2018