Get to know the BAU's new agent
The team searches for a young couple who are on an interstate killing spree; and Prentiss gets shocking news from her former boss.
Mysterious disappearances in upstate New York are investigated.
The parents of an autistic boy vanish and Reid's connection with the child could help the agents find his parents. Meanwhile, Prentiss asks two former Interpol colleagues to track down a nemesis from her past.
Prentiss believes her old Interpol nemesis is behind a series of murders and that he's close to her, which means the entire team's safety is threatened.
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