Although he's been retired for ten years from the BAU, David Rossi offers his services back to the unit in Gideon's vacant position. Strauss is suspicious of both Rossi and his motive. Meanwhile, Michelle Colucci of Carrollton, Texas finds a missing persons poster of herself pinned on her front door. The police initially treat this poster as a Halloween prank. However, upon further investigation by the police, Michelle goes missing. The inside of her house is plastered with these posters with a false face mask with the word "ONE" scrawled on it. Three days later, Michelle is found dead in a creek. When the BAU arrive on the scene, a second possible victim is identified in nearby Dallas. Enid White is missing with similar missing persons posters plastered outside in the neighborhood around her apartment. The BAU have to work quickly to develop a theory and profile of the unsub, and to find any connection between Michelle and Enid. In working through this case, Rossi takes matters into ... Written by
Did You Know?
First appearance of Joe Mantegna as David Rossi. See more
When Agent Morgan comes out from behind the trees after reenacting the unsub's strategy, he has a leaf on his head. The camera switches to the house for a second, and when it switches back, the leaf is gone. See more
[after Reid sneaks up behind him in a mask and scares him
See, that right there is why Halloween creeps me out.
Dr. Spencer Reid
You're scared of Halloween?
I didn't say I was *scared*, I said I was *creeped out*. There's a difference there, youngster, you should look it up.
What creeps you out about it?
I don't know, people wearing masks. I don't like folks in disguises.
Dr. Spencer Reid
That's the best thing about Halloween! You can be anyone you wanna be!
[Reid throws Morgan a piece of candy
Nah, I'm pretty good just being ...
Written by Chris Daughtry
and Julian Williams
Performed by Daughtry See more