" Middle Man " is the seventh episode of the sixth season of the police procedural drama . In this episode, the Behavioral Analysis Unit (BAU) travels to Johnson County, Indiana, to investigate a "killing pack"—a group of serial killers targeting exotic dancers. Episode Overview
: The killers are a "pack" of three college students:
The BAU determines that the killers are most likely college students because the murders began at the start of the fall semester. They describe the group dynamic as a "pack," where a dominant alpha manipulates "weak-minded" followers into committing crimes they otherwise might not.