Ben Savage (" Girl Meets World," "Boy Meets World") guest stars as young Gideon, and Arye Gross ("Castle," "Ellen") guest stars as Donnie Mallick.
10 Episodes Christopher Sean Lee Sang Min. 8 Episodes .. Episode Christina Souza Woman.
Watch full episodes of Criminal Minds and get the latest breaking news, exclusive — Spencer can't seem to remember if he killed a woman or not.