Monday October 1 at 9:30pm (M)

In tonight’s episode of CRIMINAL MINDS, Dr. Spencer Reid suspects that a young man who has asked him for help may have already committed several murders in the Washington, D.C. area.

A troubled young man who fears that he may be a serial killer in the making describes his fantasies about killing prostitutes to Reid. When several hookers turn up dead in the Washington D.C. area, the young man becomes the prime suspect in their murders.

CRIMINAL MINDS stars MANDY PATINKIN as Jason Gideon, THOMAS GIBSON as Aaron Hotchner, SHEMAR MOORE as Derek Morgan, MATTHEW GRAY GUBLER as Dr Spencer Reid, A.J. COOK as Jennifer Jareau, KIRSTEN VANGSNESS as Penelope Garcia and PAGET BREWSTER as Emily Prentiss, with MEL HARRIS as Congressman Steyer, JESSICA TUCK as Dr Sarah Harris and ANTON YELCHIN as Nathan Harris.