After his girlfriend died in a car crash, sorrowful psychologist Chung Tai Yin spends five years investigating the truth of the incident. His girlfriend once conducted a psychological assessment for a schoolyard murderer. Her report indicated that he lacked a motive or violent tenancies. During the course of his investigation, Chung Tai Yin meets Tung Yat, a genius with Asperger syndrome, and his sister Tung Yuet, whom he is mutually dependent with. Tung Yat's lack of social skills gives Tung Yuet a lot of trouble. Many years ago, it even caused police officer Wu Tin Yeung's undercover mission to fail. But because of Chung Tai Yin, they eventually become friends and help Chung Tai Yin with finding the true killer. Wong Hoi Ching, a witness in the case who could not be contacted for many years, suddenly appears and visits the murderer in prison, causing drastic changes in the case.

An elite team of FBI profilers analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. The Behavioral Analysis Unit's most experienced agent is David Rossi, a founding member of the BAU who returns to help the team solve new cases.

Clinical psychologist Dr Tony Hill's uncanny ability to see into the minds of murderers means he finds it difficult to distance himself from disturbing cases.

Criminal Minds: Suspect Behavior was a short-lived American police procedural drama that aired on CBS. The show debuted in 2011 as a spin-off from the successful Criminal Minds, which had premiered in 2005. This edition's profiling team also worked for the Federal Bureau of Investigation's Behavioral Analysis Unit in Quantico, Virginia. In an April 2010 episode of Criminal Minds, during the show's fifth season, the original team met the new team and worked with them to find a San Francisco serial killer. This episode served as the new series' backdoor pilot.

Criminal Minds: Beyond Borders is a drama about the specialized International Division of the FBI tasked with solving crimes and coming to the rescue of Americans who find themselves in danger while abroad.