Retired BAU profiler Max Ryan is on a book tour, his book on the Keystone Killer, an unsolved case on which he worked twenty years earlier. The Keystone Killer murdered seven women in Philadelphia over a two year period, he communicating with the media through clues to murder details hidden in word search puzzles. Eighteen years ago, the murders just stopped. Ryan believes the Keystone Killer is still loose and perhaps active. Ryan currently lives in Philadelphia, he who is still working on the case unofficially. While on a tour stop in Washington, D.C., one at which Gideon attends, the Keystone Killer is also there, he who leaves a message for Ryan including two drivers licenses, one of his last known victim, and the other of another woman named Carla Bromwell, who had since been found dead. Bromwell's death is atypical to the other seven in many ways, the BAU thinking that the Keystone Killer may be devolving as a killer. Ryan inserts himself into the case. The BAU welcome his ... Written by
Did You Know?
Loosely based on both Dennis Rader, the B.T.K. serial killer from Wichita; and the Zodiac killer, who sent letters to a news station telling them about his latest crimes. See more
During the close-up of the Pennsylvania driver's licenses of the two victims (one who was murdered in 1987, and one that was just murdered) both licenses are digital. However, Pennsylvania didn't switch to digital licenses until the mid-1990s. See more
Dr. Spencer Reid
What do you think of Ryan?
He hasn't changed much.
Dr. Spencer Reid
I think we can learn a lot from him.
What could you possibly learn that you don't already know?
Criminal Minds (TV Show Intro / Main Song Theme) See more