The BAU travels to Boston when the serial killer from one of SSA Aaron Hotchner's first cases, which involved one of the most notorious murderers in the history of New England, returns after 10 years.
Agent Hotchner revisits a case from his past when the BAU travels to Boston to apprehend one of the most notorious serial killers in New England's history, ON "CRIMINAL MINDS," WEDNESDAY, MARCH 18