The preview for the upcoming episode of season 11 of Criminal Minds reveals a pretty twisted plot.

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The episode, titled Pariahville, shows the BAU in a bind looking for a suspect that targets cheerleaders. In the promo reveals that suspects will in fact be the entire town, which is quite a stunner. According to the synopsis the town will be infested by sex offenders.

"When a woman is murdered in a small town in Florida, the team finds that the entire area is inhabited by sex offenders, presenting an overwhelming amount of suspects for the crime. Meanwhile, Dr. Lewis is offered a job opportunity which could require that she leave the BAU."

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Meanwhile fans have much to look forward to with episode 7 of Criminal Minds as A.J. Cook will be returning to the series.

In an interview showrunner Erica Messer also spoke about the possibility of keeping Aisha Tyler, who plays Dr. Tasha Lewis, on after Cook is back, because it had been suggested that Tyler was essentially filling the void for Cook.

"She's a forensic psychologist whose expertise has been studying and interviewing serial killers once they've been caught to see if they are able to stand trial. It's a different skill set than our team in the field touching these guys, but she's up of the challenge for that and really excited to join the best unit out there.

For those six episodes that AJ is gone and JJ is on maternity leave, Aisha will be our female in the fold with the team and helping them solve the cases. We love her so much that we're hoping to extend her stay with us. The deal is not totally done yet so I can't really talk about it but we are hoping to have her in quite a few more episodes this season, not just the initial six."

So there is definitely hope, and also the fact that Lewis' personal life has been explored in the latest episode might hint at the fact that the creators are more invested in her character to make her stay on.

The episode is set to air on Nov. 4 on CBS.

Watch the preview: