"Devil\'s Backbone" -- When guards at a Virginia prison intercept a package with evidence relating to the kidnapping of two boys several years ago, the BAU questions a notorious serial killer who may have information on the boys\' whereabouts, on CRIMINAL MINDS, Wednesday, April 20 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Frances Fisher guest stars as convicted serial killer Antonia Slade. Pictured: Thomas Gibson as Aaron Hotchner. Photo: CBS ÃÂ©2015 CBS Broadcasting, Inc. All Rights Reserved | Episode 11.21 - Devil's Backbone | Promotional Episode Photos | Season 11 | criminal-minds | Gallery

SpoilerTV Image Archive | Gallery | criminal-minds | Season 11 | Promotional Episode Photos | Episode 11.21 - Devil's Backbone | "Devil\'s Backbone" -- When guards at a Virginia prison intercept a package with evidence relating to the kidnapping of two boys several years ago, the BAU questions a notorious serial killer who may have information on the boys\' whereabouts, on CRIMINAL MINDS, Wednesday, April 20 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Frances Fisher guest stars as convicted serial killer Antonia Slade. Pictured: Thomas Gibson as Aaron Hotchner. Photo: CBS ÃÂ©2015 CBS Broadcasting, Inc. All Rights Reserved

$"Devil\'s Backbone" -- When guards at a Virginia prison intercept a package with evidence relating to the kidnapping of two boys several years ago, the BAU questions a notorious serial killer who may have information on the boys\' whereabouts, on CRIMINAL MINDS, Wednesday, April 20 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Frances Fisher guest stars as convicted serial killer Antonia Slade. Pictured: Thomas Gibson as Aaron Hotchner. Photo: CBS ÃÂ©2015 CBS Broadcasting, Inc. All Rights Reserved$

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