Sherlock assists with a double homicide that has the same M.O. as a series of murders that took place 13 years ago. Meanwhile, after being frozen out by Sherlock, Watson…

As the team tries to protect a target of the Pavlovich brothers — specialists in abductions — Red has a job of his own for the duo; Liz patiently pursues…

The debate rages over how to treat an informant who shot and killed four police officers. However, did one of the officers try to put undue pressure on him to…

Investigating the death of a rock band singer who had large amounts of cocaine and heroin in her system, the detectives question a former boyfriend who was a disgruntled band…

The death of a college student leads to a case involving an HIV-positive male who’s seeking to infect as many young women as possible. McCoy, testing right-to-privacy ethics, wants to…

While investigating several deaths at a diabetes clinic, Briscoe and Logan discover that teenage computer hackers may have tampered with the clinic’s medical database.