The daughter of a District Attorney who prosecutes a radical terrorist is kidnapped. The unit must go undercover to rescue her.
Irish bank robbers claim to be political prisoners of war, prompting the unit to infiltrate the Irish Republican Army.
The detectives try to bust the leader of a criminal empire that is extorting money from several businesses in Manhattan.
The unit tries to track down a serial killer who targets young men and captures them by offering them a tainted drug.
Stone and Delaney go under cover as gun buyers after a shooting in Central Park leaves a nanny and a baby fighting for their lives.
A radical group kidnaps a child for bargaining purposes; Moreno gets even for the death of her husband when she meets Jordan in prison.
The unit follows the trail of a suspected money-laundering scheme being operated at a bank in a Cuban neighborhood and finds a link to the CIA.
Delaney becomes caught between her personal and professional lives when the unit searches for an arsonist who is targeting the garment district.
Detective Stone becomes torn between work and family while trying to reveal a stock-manipulation scam being conducted by a brokerage firm.
J.C. and Nell go under cover to expose a hospital that seems to have an uncanny ability to find organs for its wealthy clientele.
Federal agents intervene to prevent the detectives from uncovering the kingpin of a cocaine-importing ring fearing political repercussions.
JC, Nell, Alec, Malcolm and Nina set up a sting for an agent who uses his models in an extortion racket.
J.C. and Moreno are recruited by Lt. Malcolm Barker to help catch Jordan, the armored car thief and murderer of Eddie and MacNamara.
The detectives go after a bank-robbery ring; a vengeful sociopath mars Eddie and Moreno's wedding ceremony.
J.C. infiltrates a prison to bust a mobster arranging assassinations from his cell; Eddie finally proposes to Nina.
J.C. tries to implicate a slumlord after a girl falls down his building's elevator shaft; Eddie gets cold feet while shopping for Nina's ring.
McNamara investigates possible links to the Chinese mob and his father's murder; Torres asks his sister for a loan to buy a ring for Nina.
Moreno copes with her upcoming custody battle for Melissa as she hunts for a carjacker responsible for shooting two children left in the back seat.
A female bounty hunter uses J.C. to help find a fugitive; Moreno and McNamara probe the suspicious murder of a cop; Natasha visits the precinct.
Moreno and McNamara infiltrate a major corporation to find the killer of a racist executive; J.C. sees G's French teacher again.
J.C. comes across some possible clues in the assassination of Dr. Martin Luther King Jr. and begins a personal investigation.
A former soldier steals missiles to protest federal stance on Gulf War syndrome; J.C. meets G's French teacher (Tyra Banks).
Moreno enlists the aid of J.C., Eddie and Mac when the daughter she gave up for adoption is taken by kidnappers.
The FBI dismisses the detectives from a case when the local officers suspect a link between the CIA and cocaine distribution in Harlem.
The murder of a youth-center leader is accidentally videotaped by a 13-year-old boy who then becomes the next murder target.
A death-row inmate's father takes Lt. Cooper hostage in her office and threatens to blow up the precinct if his son is not given a reprieve.
Eddie and Nina infiltrate rival Latino gangs to investigate a shooting and a seemingly drug-motivated turf war.
Posing as a security guard, J.C. attempts to infiltrate a precious metals crime ring; Capt. O'Byrne threatens Cooper's marriage.
Eddie (Michael DeLorenzo) works under cover at an AIDS clinic when a bisexual man with the disease is murdered. With Malik Yoba.
Nina tries to win the affections of a Chinese hit-man believed to be involved in a quadruple murder in an uptown restaurant.
Eddie hunts for a slick heroin dealer after his father overdoses; a drug dealer injects Eddie with heroin; a social worker scrutinizes J.C.'s custody of G.
Rival rappers face off when a rap artist is shot; Quincy Jones tries to make peace among all the rappers.
Tommy refuses to work with Nina after she freezes at a deadly convenience-store holdup, prompting her to turn in her gun.
The squad goes after a recently released child molester who becomes a suspect in a young girl's rape; Moreno and Mac partner; G is in danger of expulsion.
On assignment J.C. befriends a woman whose abusive boyfriend heads a band of thieves hitting upscale apartments.
Lt. Cooper orders J.C. to interrogate the Rev. Harris about the arsons; Nina moves in with Eddie to recuperate.
J.C. investigates the bombings of churches in Harlem; a failing friendship feeds G's growing prejudice against whites.
Eddie's search for the fugitive gun lord endangers Nina; G plays it tough when he and his mother are mugged.
While on assignment against a gun cartel, Eddie kills a federal agent and begins to fear for his own life.
An NBA hopeful is linked to the murder of a small-time drug dealer; J.C. goes slowly with Carol; guest Chris Webber; Anthony Mason.
Andre, the ex-con father of G's friend Brian, is linked to murder and on the run; Eddie struggles to cope with his father's HIV status.
The detectives hunt for the evidence necessary to book three wealthy students for the murder of G's tutor at Woodbridge Academy.
The detectives try to prevent an ethnic war between Muslims and Jews when a controversial Muslim leader is murdered.
J.C., Eddie and Nina try to protect the witnesses in an investigation of uniformed officers who are suspected of murdering a drug dealer.
The detectives' investigation into a mob hit uncovers a female assassin in the middle of a deadly double cross.
Three young robbers are suspects in a pregnant woman's death, until J.C. and Eddie find holes in a witness's testimony.
The detectives, with the help of Eddie's brother the priest, discover that teenage Rwandan refugees were the assassins in two mob-related cases.
Nina investigates the death of a female firefighter killed in the line of duty; J.C. and Eddie uncover a string of tenement fires.
J.C. and Eddie find a connection between the infamous Tuskegee experiments and the death of a black journalist; Nina's ex-husband shows up.
The detectives are caught in the middle when violence erupts between the police and a powerful gang after a cop killer's acquittal.
Dressed as a hooker, Nina tries to lure a serial killer who favors prostitutes; Eddie links the killer's attacks to important religious days.
J.C. tries to save himself after being charged with Danny Cort's murder; Torres and Moreno contradict Simone's testimony.
Out on bail, killer Danny-Up (Ice-T) torments J.C.; Simone's ulterior motives are exposed; guests Naomi Campbell, Al Green.
The Affirmative Action debate incites a racist bomber to kill a congressman; Moreno and Torres become involved while working on the case.
Working as a male model, J.C. probes the fashion industry; Simone continues to keep secrets; Eddie's painkiller addiction grows.
The detectives uncover a black-market baby racket; J.C. dates a beautiful book editor (Naomi Campbell).
The partners go under cover in a Harlem high school to find a student's murderer; Eddie takes painkillers for his injured ribs; guest Eartha Kitt.
J.C. and Eddie track down two kids from the projects who robbed a coin shop in order to escape from their circumstances.
When Cooper's daughter is lured into the clutches of an Internet pedophile, Nina goes under cover to bust the criminal.
After a pledge's murder, J.C. goes under cover in a black fraternity to investigate campus white-supremacists.
A canine murder suspect introduces the detectives (Malik Yoba, Michael DeLorenzo) to the underground world of dogfighting.
J.C. and Eddie must determine if a former parole officer's shooting of a graffiti artist was in self-defense.
J.C. returns to find a new partner; Torres and new detective Moreno seek the killer of a woman slated to testify against her old gang.
A murder case hits J.C. and Eddie close to home when a drug lord (Ice-T) takes vengeance to a personal level; guest Al Green.
The investigation of a high-powered female attorney's death leads Eddie and J.C. to a prominent law firm's money-laundering scheme.
G must decide if he is "man enough" to protect a friend, a 10-year-old boy involved in a gang-related shooting.
The partners investigate a sharp-shooter's vendetta against his former accomplices in a financial scam; J.C. learns Sandy is pregnant.
Eddie goes under cover to investigate a murder linked to a bizarre Caribbean religion and winds up seeing visions of his own death.
A difficult situation arises when Eddie and J.C. discover the middleman for a drug operation is a friend of Eddie's father.
The partners pose as black-market weapons buyers to nab a family of gun thieves; Eddie's dad blows his chance to play saxophone for James Brown.
Working under cover, Eddie uses his chemistry knowledge in an attempt to bust a drug lord's operation of manufacturing a dangerous new drug.
J.C.'s (Malik Yoba) son, G (George Gore II), becomes a target after he witnesses a mob killing. With Michael DeLorenzo, Patti D'Arbanville-Quinn and Fatima Faloye.
J.C. and Eddie enter a world of drugs, gangsters and deception in search of clues to a rap artist's murder.
Eddie and J.C. go under cover as a boxer and a manager to find the dealer of a new drug that killed a young boxer.
A minister (Howard E. Rollins Jr.) fights a cigarette company's attempts to recruit new smokers in his community.
J.C. thinks an old gang rival murdered a '60s activist; Eddie's journalist sister joins the guys on their rounds.
Eddie infiltrates a Puerto Rican terrorist group to probe an armored-car robbery and winds up sympathizing with their cause.
The detectives don dresses to investigate the murder of a popular transvestite; Sandy is offered a job in London.
J.C. goes under cover as a bodyguard to protect a famous pop singer who witnessed her manager's murder.
The duo poses as a pair of pornographers to locate a missing girl before she falls victim to drugs and murder; guest Keith Sweat.
J.C. and Eddie investigate a local youth center when children start overdosing on a powerful type of heroin; G enrolls in a basketball clinic.
J.C. and Eddie search for suspects in an underworld of child molesters when the young son of a city council candidate is kidnapped in Central Park.
An infant's doctor is suspiciously murdered while J.C. and Eddie are investigating a baby's emergency room death.
A real-estate developer is suspected of fueling gang tensions to lower property values; Eddie tries to repair his relationship with his dad.
J.C. and Eddie pose as garbage men to probe an employee's death and wind up disposing of hazardous waste.
The detectives look for clues in a collegian's murder; J.C.'s ex-wife is involved with a musician in Nancy Wilson's band.
A tip from J.C.'s son leads the detectives to a father/son drug ring at the boy's private school; guests the O'Jays.
Kids working for an auto-theft ring steal the car of a mobster's mother; J.C.'s ex-wife wants to send their son to a private school; guest Clarence Williams.
J.C. and Eddie have to determine the truthfulness of a young woman's claim that she was raped by four football stars from a rival school.