Details
- Season
- Season 4
- Episode
- S04xE21
- Air Date
- 22 April 2009
- Where to watch
Overview
Criminal Minds season 4, episode 21 — “A Shade of Gray” (S04xE21) first aired on 22 April 2009.
When profiling a series of child abductions and murders, the team discovers that one of the cases may not be the handiwork of the serial killer they apprehended.