The search begins for a dog and its owner who are responsible for the death of a jogger and her pet in Central Park. The investigation leads to a dog fighting ring.
Briscoe and Green investigate the murder of a heroic Vietnam veteran who was facing hard times. Some of the vet's fighting unit have become very successful and don't want their service experiences to come back to haunt them. It is up to McCoy and Southerlyn to prosecute the murderer.
Clues to the murder of an ex-con lead to an affluent family.
Two murders are tied to a fortune in diamonds and a Sierra Leone uprising.
A woman's murder may have more than a little to do with the fact that the landlord's sale of the building was being blocked by her continued living in her rent-controlled apartment.
A famous singer's wife is killed and the detectives suspect that she was taken care of inside of the family.
Lt. Van Buren learns that evidence she used to convict a man 12 years ago might have been tampered with.
Arson kills a woman in an incomplete high-rise building.
An uninvited guest at a nightclub ends up dead when he tries to talk to a popular rapper and is shot by an unidentified assailant.
In order to solve the killing of a black publisher the detectives reconstruct an argument he had with a man over a taxicab.
A priest is murdered accidentally in a confessional, when a change in schedules puts the wrong priest in the confession booth. A student who committed the murder told his intended victim about the murder in confidence, but the priest cannot reveal the details.
A 9-year-old girl dying of leukemia is denied by her insurance company from receiving a possibly life-saving new drug. Detectives Green and Briscoe must investigate the murder of a high level insurance executive where the father of the little girl is the main suspect.
Two roommates are bludgeoned to death and the detectives follow the trail to the handyman. Before they can aprehend the suspect, he takes on several hostages. Southerlyn puts her life and career on the line to negotiate for their safe release.
When the young female aide to Senator Elliot Judson goes missing, Briscoe and Green discover that she had been dating her married boss as well as several other prominent political figures.
When a young psychologist is found stabbed to death, the detectives suspect that the murderer may have been after information in her computer.
A girl suffocates to death during an extreme therepy session that is supposed to bring her closer to her adoptive mother by simulating the birthing process.
Julie Cade, a high school student, is found dead after exposing a web site that detailed fellow students sexual exploits. Before her murder, she reported a confrontation with the two young men responsible for the site.
When an investment banker is murdered, the detectives discover that he had been recommending stock in a company now in a high-profile bankruptcy.
A young activist is stabbed to death while investigating a beef supplier known for operating in unsanitary and unsafe conditions.
When the wife of an investment banker is found dead, evidence of a controlled substance in her system leads the detectives to suspect foul play.
When a private investigator is murdered, a coach, a child baseball player, and a father are the three prime suspects.
When a defense attorney's wife is killed, Briscoe and Green trace the crime to the attorney's ex-stripper girlfriend. McCoy and Southerlyn attempt to pin the crime on the stripper and her boyfriend when they accuse the husband of the murder.
A mob boss and his son both try to strike a deal with the detectives and offer incriminating evidence against each other.
A man attacks his neighbor in the name of justice when he suspects terrorist activity.