Compare this episode to other "psychological" episodes?
The BAU realizes the overkill is a desperate act to burn energy so Ben can sleep and get a reprieve from his hallucinations. [S6E19] With Friends Like These
Early theories suggest a "pack" of killers, but Hotch quickly realizes it is one single, highly disturbed individual leaving the same shoe prints at every crime scene. The unsub is Ben Foster (played by Bug Hall), a paranoid schizophrenic who believes he is being pursued by the ghosts of three friends he killed in a fire when he was a child. These "ghosts" (Matt, Tony, and Yolanda) now haunt him, acting as "imaginary foes" that force him to kill to get them to stop nagging him. Compare this episode to other "psychological" episodes
Ben takes children hostage, but in a rare moment of clarity and mercy, he does not kill them despite his "friends" demanding it. The BAU eventually catches him, and he is shot after charging them with a knife. Review: "With Friends Like These..." The unsub is Ben Foster (played by Bug
Ben’s "friends" urge him to attack a nurse, Karen Heywood, after an awkward supermarket interaction.
In a heart-wrenching scene, Ben calls his mother for help during a breakdown, but she dismisses him, telling him to "find a yellow pages" and hangs up, leaving him to the voices.