What is criminal minds season 11 episode 16?

"Criminal Minds" season 11 episode 16 is titled "Derek," and it focuses on the character of Derek Morgan, who is played by actor Shemar Moore. In this episode, Morgan is abducted and held captive by a man who seeks revenge against him for putting him behind bars. The team works quickly to try and locate and save Morgan, while also dealing with the emotional toll his abduction takes on them. The episode is a tense and emotional one that showcases the strength and loyalty of Morgan's colleagues and friends. It first aired on February 24, 2016.