Yes, she is possessed too.
It has been an interesting research homework, but I am sure.
This is what I used:
Criminal Minds S04E17 HDTV XviD-NoTV
File size: 350,3MB
Duration: 42min, 42sec.
Episode Recap: tv.com/Criminal+Minds/Demonology/episode/1252650/recap.html
Four men were possessed somewhere in Spain, they were:
Father del Toro, Mathew Benton, Thomas Valentine, and Patrick Cavanaugh.
Two people more were possessed later, they were:
John Cooley, and Emily Prentiss.
Father del Toro died in Spain during an exorcism possibly performed by Father Silvano.
Father Silvano travels upon the request from Mathew’s parents, but Mathew passed on his demons into John Cooley shortly after his arrival to the United States.
Father Silvano exorcises Benton, and Valentine (both die during the process).
John Cooley desperately searches for Emily and hugs her at the first moment he sees her, she may have gotten under evil influence right there.
Cooley also unexplainable seems to know already about Valentine’s recent death, and misleads Emily into starting a murder investigation because he wants to use her to stop Father Silvano from exorcising him.
Father Silvano exorcises Patrick Cavanaugh, the third man Benton recruited over the Internet for the trip to Spain, and he dies too.
Notice that both Valentine’s wife and Benton’s parents fully agree with Father Silvano’s demonic possession views, only Emily refuses to accept it, and struggles to support John Cooley’s drug problem views.
On this episode the devil managed to fool a lot of people, the entire BAU team, but not the exorcist.
Father Silvano tries to end the demonic outbreak exorcising Cooley, the possessed man is proud enough to say:
- the authorities are going to stop you. (because he planned that himself).
And when Father Silvano called him belial, which means demon, he also adds:
- I’m stronger than you. (admitting who he was then).
After Emily and the BAU team stop Cooley’s exorcism, she gives him a strong hug while he is still bleeding. I guess she gets possessed there on that moment.
Emily does not enter into the Church because the TV Show run out of time, or because it was late at night.
Father Silvano told Emily: “We’re both fighting the same evil”, and he asked her: “Do you still pray (in Italian)?”, and she replies: “We’re not talking about me (in Italian)”.
Father Silvano knew she was already being used by the devil, and tried to clue her about how to get protection, sadly she did not catch it.
This episode is not anti-Catholic if you analyze it in detail as I did, but if you saw it while you were distracted then you will think that this priest was a serial killer.
I have taken the time to review the episode and the episode recap added here, feel free to ask any questions.