The FBI closes in on a suspect whom they believe to be the culprit behind the latest murders, but Ryan believes the killer is still out there, leading him to…

As Kitty begins to unravel due to the imminent threat to her safety, Sherlock and Joan intensify their efforts to help her. Also, the origin of Sherlock and Kitty’s relationship…

Jane discovers an important clue to Red John’s methods as the team encounters four of the suspects, and the CBI investigates the case of a software engineer killed by a…