Genetics drive the murder of a doctor and the subsequent investigation.

When a dentist is murdered by the mother of one of his patients, Goren and Eames follow the trail of evidence to a company that appears to have been the victim of a criminal conspiracy involving contaminated mouthwash.

When a dead woman is found tied up in a motel room, Logan and Falacci follow the leads to a lonely writer.

Terrorism is initially suspected after the body of a young Arabic diver washes up on the shore, but Goren and Eames soon learn that the victim was part of a trio of con artists that were working as salvagers for a wealthy local man.

A private investigator is at the heart of the murder of a judge's wife.

Goren and Eames investigate the death of a writer, and whether her torture has ties to the 'hood she came from.

A rape trial goes wrong when a witness is killed, but the likely suspects – the football team members accused of the rape – turn out not so likely, and attention turns towards an attorney.

Goren investigates when his nephew, a prisoner who's bipolar, claims that inmates are being abused to the point of murder.

Logan and Falacci investigate the execution-style murder of three young college freshmen.

Still on leave from the force, approached in a bar after a confrontation, and pondering his future, Goren meets another officer on suspension (Winters) who makes him an interesting job offer. Goren decides to tip the balance in his favor with an undercover operation.

A gossip columnist who used his insider knowledge to feed his habit is murdered, which leaves Wheeler and Logan to work through a list of suspects that grows longer the more they probe his life.

Captain Ross loses his objectivity, and jeopardizes the case, when an old flame becomes a suspect in the disappearance of her husband and his lover.

A Sri Lankan Tamil activist survives an assassination attempt at JFK when she returns from her house arrest in Sri Lanka. When members of her close circle are also targeted, the investigation puts Logan and Wheeler on the trail of a Canadian gun-for-hire in a race to catch the killer before it's too late.

Three murders lead to a preschool with an exclusive and long waiting list.

The murder of a television show host may be linked to her former avocation as a groupie to a famous musician, putting him and his family right at the top of the suspect list, along with her son and assistant.

A well-known magician disappears during a live-burial stunt, only to appear miles away and dead in the middle of his mentor's gag. Goren and Eames' investigation takes them deep into the secretive world of magic as they unravel the magician's final act to find a murderer.

A boxer celebrating his victory is shot to death, and when it turns out the victim is the brother of a young man Logan mentored he commits himself and Wheeler to solving the crime. Unfortunately, as he and Wheeler explore the world of amateur boxing, secrets and betrayals complicate the case.

When a student dies at an exclusive private school, the investigation uncovers an online community that may have overtaken the school with its fixation on grades and secrets.

Wheeler and Logan investigate the murder of a man found decapitated, mutilated and stabbed in Maspeth Creek, a neighborhood that did not welcome him.

Logan jeopardizes his and Wheeler's careers when a priest convinces him to re-open a murder case that's over a decade old which involves a politically-aspiring ADA who will stop at nothing to keep the truth buried.

Bobby is visited by the past when he finds a picture at his mother's grave indicating an old nemesis has returned, and the case only gets more complex when his brother and a mentor reappear.