Criminal Minds Wiki

"Unforgettable" is the twentieth episode of Season Twelve and the 275th overall of Criminal Minds.


When a friend of Stephen's is among several federal government employees to die of apparent heart attacks, the BAU investigates to see if there is more to their deaths. Also, Reid begins to worry about his trial.

Guest Cast

Referenced Criminals


  • "Birth of a Hero" by Two Steps From Hell

Bookend Quotes

  • Stephen Walker: "The past is never where you think you left it." – Katherine Anne Porter
  • Spencer Reid: "Life can only be understood backwards, but it must be lived forwards." – Søren Kierkegaard


  • This is the ninth of nine episodes to deal with two separate cases.

Criminal Minds Episodes