Derek Morgan is a fictional character on the CBS crime drama Criminal Minds, portrayed by Shemar Moore. Morgan specializes in fixations and obsessive behaviors. He is a Supervisory Special Agent of the FBI's Behavioral Analysis Unit, and has appeared from the series' pilot episode "Extreme Aggressor", which was originally broadcast on September 22, 2005. Morgan is shown over the series being flirtatious towards the team's technical analyst Penelope Garcia, however, the relationship is platonic. He is shown to be confident and assertive, along with being very protective towards Spencer Reid, whom he helps to pick up girls. He is the muscle of the team, and usually storms in when a suspect requires apprehending physically.