Episode 814, "All That Remains" Tonight 9|8c
SEASON 7, EPISODE 721 - Mere minutes after the execution of an infamous serial killer, a copycat begins to commit crimes in the same town with the same MO. The BAU is forced to act fast the UnSub isnt wasting any time, and bodies are being found every six hours. As the team meets with the executed killers ex wife in a search for suspects, the UnSub begins to escalate his plan. While the first two women murdered are found with cut hair, the third is discovered with a shaved head. The fourth body is found after having been scalped entirely.