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Scully is assigned to teach a forensics class at the FBI's Quantico Training Academy. As eager young students virtually beat down the doors to attend the popular Scully's lectures, her former X-Files colleagues, Doggett (Robert Patrick) and Reyes (Annabeth Gish), head to West Virginia to investigate a series of bizarre ritual murders. It may be that the instigator of these killings is orchestrating the carnage from inside a hospital -- and that Doggett and Reyes are next on the victims list. Its title the Latin word for "Satan," "Dæmonicus" first aired on December 2, 2001.