Episode BreakdownTV Show:Criminal Minds Season: 11 Episode: 21 | S11E21 Air Date: 20 April, 2016
Criminal Minds S11E21 - Devil's Backbone
The BAU enters into a dangerous game of cat-and-mouse with a convicted
serial killer after guards at a Virginia prison intercept a package with
evidence relating to the kidnapping of two boys several years ago. The
team believes the notorious killer may have information on the boys'