Ep 18. Lauren

In Criminal Minds season 6 episode 18 titled "Lauren," the BAU team is faced with a difficult case involving their very own team member, Jennifer "JJ" Jareau (AJ Cook). JJ is contacted by a former colleague, Special Agent Tico Rey, who has information on a long-dead serial killer named Ian Doyle. Doyle is responsible for the deaths of many people in the past, but his whereabouts are unknown for the present. JJ is put in charge of the investigation to find Doyle, but the case takes a turn for the worse when Doyle discovers JJ's identity and learns she is working on his case. Doyle begins to target JJ and everyone close to her, putting her life and the lives of her loved ones in danger.

As JJ and the BAU team work tirelessly to bring Doyle to justice, they must also grapple with the personal toll the case is taking on JJ. She is forced to confront her past and make difficult decisions that may change her life and career forever. Meanwhile, the rest of the team must find a way to protect JJ and bring Doyle to justice before it's too late.

Throughout the episode, viewers are taken on a rollercoaster ride of emotions as they watch the team navigate the complex case and JJ's personal struggles. There are tense moments of action-packed suspense as the team races against time to save JJ from Doyle's clutches. But there are also heart-wrenching moments of vulnerability as JJ faces the consequences of her involvement in the case and the toll it takes on her relationships with her loved ones.

Overall, Criminal Minds season 6 episode 18 is a gripping and emotional episode that showcases the talents of the talented cast and crew. It is a must-watch for fans of the show and anyone who enjoys a good crime thriller.