When two guards at a privatized maximum security prison inTexas are murdered, the BAU suspects that more than one UnSubwithin the prison could be at work.
Gabriel has surprising information. Elizabeth begins to takefamily matters into her own hands. Stan receives upsetting newsfrom his past and turns to Sandra for support.
Vaughan's stress levels increase the day before the finalmerger consultation. Justin is being threatened with exclusionfor his part in the cyberbullying leaving Vaughan struggling tokeep his professional and private lives separate.