The investigation into the death of a jogger mauled by a vicious dog leads to an Attica inmate, his attorneys, and an underground dog-fighting ring.

The fatal stabbing of a man leads to the discovery of his status as a Vietnam war veteran and the truths uncovered about an incident that occured with him and three former soliders in his division.

The death of a parolee, who was a hit man, leads to a wealthy widow and daughter and whether they hired him to kill their rich relative.

The daring daylight kidnapping of a diamond dealer which results in two murders at the scene uncovers an international dynasty of diamond sales and its links to a foreign civil war.

Investigating the murder of a woman in a rent-controlled apartment, the detectives discover that she was engaged in a long-running battle with her landlord and had been blocking the potentially lucrative sale of the building.

The shooting death of a former singer's wife leads the detectives to investigate his manager and sons after his explanation of the events surrounding her death have no credibility.

A murder investigation uncovers deliberately faulty forensics in the wrongful conviction of two men 12 years earlier in the case that paved the way for Van Buren's promotion.

When a building is set ablaze, a girl must be identified despite her fatal burns. Through further investigation, it turns out that an extreme environmentalist group struck the match...

When a celebrity is implicated in a nightclub murder, McCoy and Southerlyn battle the flaks who attempt to insulate their client from any involvement or interrogation.

The murder of a magazine publishing company's black CEO leads to a suspect who has a clear streak of racism and whose attorney intends on using that as a mental defect.

The death of a cleric leads the detectives to a priest who was given information by a murder suspect outside of the church but insists that he can't discuss anything about it, bringing McCoy to question whether the confessional seal should apply.

The father of a dying girl gets his revenge on an insurance executive who denied a certain leukemia treatment for his daughter. One problem arises when the father is technically on both sides of the law.

The bludgeoning of two women in their apartment leads the detectives to a suspect who has taken a hostage while demanding legal representation ... and Southerlyn's actions, while heroic, results in disbarment proceedings against her for violation of Disciplinary Rule 1-102.

When a girl's parents frantically search for her, Briscoe and Green see that the girl's belongings were packed up in her apartment. They learn that the girl had been seeing a married man -- her boss. When the boss is brought up on charges, his wife sheds some new evidence.

The murder of a psychologist leads to a case involving a computer company that sells information and their responsibility in shielding their clients' history in order to serve their needs.

The investigation into the death of an 11-year-old girl uncovers the possible culpability of the child's mother and a rebirthing therapist.

When a high school student is found dead in an apartment building, Briscoe and Green suspect that the murder was a result of her running a website. As McCoy and Southerlyn investigate the case further, they realize that her best friend, who was reluctant to come forward as a witness, may be the answer to the murder.

A stock analyst's murder leads the detectives to a corporation whose stock had fallen ... and plenty of suspects in the investors.

The investigation of a student's killing leads to a case involving meat contamination at a food service.

A woman is drugged and falls to her death, and the evidence suggests that her ex-boyfriend and her current husband's ex-wife may have conspired to kill her.

The investigation into the death of a private investigator uncovers corruption, deceit, and immigration fraud in a Youth Baseball League whose manager will go to any lengths to win.

The wife of an attorney with many disgruntled clients is killed but the detectives believe that he was the intended target as he was willing to reveal information despite confidentially agreements. As the investigation continues, his tumultuous love life is exposed and the prosecutors are suspicious of his desire to return to the courtroom.

The investigation of a woman's strangulation leads to a case involving the selling of drugs and a gangster's son.

A tenement building explodes and the lone victim is Joseph Haden. The building was rent controlled and there had been a tenant strike, so the police initially suspect arson. But the landlord doesn't have insurance, ruling out their arson theory, and the medical examiner discovers that Haden's neck was broken and he was tied up before the explosion happened. Trying to figure out Haden is even more difficult. He didn't appear to have a family or a girlfriend and never got any substantial mail. He worked at the Jiffy Job service station making minimum wage, yet had $90,000 in the bank. Briscoe and Green do some more digging and find out that Haden was using an alias, and his real name was Yusuf Haddad.

An American Muslim becomes the prime suspect in a double murder after an academic challenges his religious beliefs.

The murder of a female high school English teacher uncovers a love triangle that includes a female student and a male teacher, both of whom become suspects. The prosecutors have to deal with the student's multiple identities and refusal to live past adolescence.

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 mate of her late husband. The prosecuters are hampered by the actions of a retired detective, who worked a case with Briscoe several years back, turned writer whose unconventional research tactics makes him a suspect as well.

A struggling actress is murdered in an apparent robbery-homicide where a video tape, made by a couple touring the city sold to a local news station, shows three suspects loading the stolen property into an SUV. They are charged with felony murder, a capital crime, and causes unrest with Southerlyn surrounding the death penalty.

The discovery of a body in Hells Kitchen who had been wearing a $40,000 diamond ring leads the detectives back to the World Trade Center attacks as the victim had been reported to have died when Tower One collapsed. The ensuing investigation leads to a fiancee and a lover and the determination that the events of 9/11 may have been good timing to hide the fact that she was murdered the night before.

The execution style shooting of a city contractor leads Detectives Briscoe and Green to suspect a professional hitman. They first focus upon possible enemies of the victim, but end up suspecting the victim's wife and her boyfried of hiring the killer. However later discovered evidence leads McCoy and Southerlyn to a conspirator that no one had suspected.

A defense attorney who had just acquitted a cop killer is gunned down outside a Manhattan restaurant. The detectives start with police officers in the precinct of the injured officer, then to his brother, before they are led to a white supremacist who is part of a national network. McCoy is faced with the unlikely prospect that the defendant's attorney, his friend of 20 years and a friend of the slain lawyer, played a part in the murder of a Florida district attorney following the defendant's arrest. McCoy is able to make a deal that perserves the integrity of his adversary, but not without a cost.

A star baseball player becomes the prime suspect in the murder of his limousine driver when it is discovered that the driver regularly supplied steroids to the sports icon. The subsequent investigation reveals blackmail as the underlying motive for the murder.

The smoldering corpse of an Asian girl found outside the Chinese consul general's apartment leads the detectives to believe she had made a political statement. When forensics shows that she had been murdered beforehand, they find themselves in the middle of a religious conflict with the consul general their prime suspect and his attorney an old friend of District Attorney Branch.

The hit-and-run death of a popular high-school student leaves the detectives suspecting the girl's father was the real target. When evidence reveals that the death was possibly a random killing, they are able to track down their suspect to his apartment. However things get complicated when their killer is murdered, and the person who committed the crime happens to be the victim's mother.

The murder of a bookie with a high-class clientelle leads the detectives to arrest his partner. Charged with first-degree murder, his attorney puts forth an unusual defense strategy that turns the trial into a political statement.

A dead teenager's father and a vigilante priest are suspects in the killing of a drug dealer.

When the witness in a jewelry store robbery-homicide fails to appear in court, McCoy suspects foul play until he discovers that the man is a fugitive in a 20-year-old murder case.

The bludgeoning of a luxury sports car dealer leads the detectives to a mentally challenged man and his girlfriend who is extremely attractive and whose expensive tastes leads her to be equally manipulative.

The death of a stockbroker leads the detectives to his girlfriend whose mother is a cosmetics mogul who has a long standing friendship with Branch, and will stop at nothing to protect her corporate image by using hormone replacement therapy withdrawal as the basis for her defense.

A media-savvy attorney defends a black teenager accused of shooting an off-duty policy officer.

Investigating the murder of a cab driver, the detectives come to suspect a famous author and his protege, a former child prodigy.

A missing football player becomes the prime suspect in the murder of a woman whose body is discovered floating in the East River.

The prime suspect in the murder of a woman outside a sex club claims to have merely witnessed the crime via a psychic vision.

The murder of an admissions director of a private school leads the detectives to investigate a pair of angry parents whose children were denied admission, but then set their sights on the headmaster when they discover that the victim was about to go public with the denied admissions.

The suspicious death of a Russian model leads the detectives to suspect medical malpractice.

It's a race against time as the detectives go on the hunt for a sniper whose victims are shot in broad daylight.

Briscoe and Green catch four murders and a kidnapping on the same day, and get handed confessions in each case.

Briscoe and Green are assigned to a case involving an eccentric comedian who may have killed his young son by dangling him off a ledge.

While investigating the death of a teenaged girl, the detectives stumble on a pattern of crimes that indicate they are after a serial killer. The suspect, however, puts the prosecutors through an ethical ringer when he discloses his attorney's knowledge of the victims and their whereabouts.

The investigation into the murder of a bounty hunter leads to a reporter with compromised ethics and a dubious defense strategy.

The investigation into the carjacking of a vehicle containing vials of a deadly virus leads the detectives on a search for the first person infected with the virus and a biochemist whose sinister motivations were driven by passion.

The police and prosecutors investigate the connection between an award-winning songwriter and the young woman found murdered in his home to discover who would profit by her death at his hands.

A teenager's need for parental love, acceptance and recognition sets in motion the events leading to the deaths of 23 concert goers for a band's illegal pyrotechnics.

When a man is found murdered shortly after depositing almost $400,000 in his savings account, the investigation into the source of funds reveals that the victim ran an identity theft scam which left an elderly man homeless and impoverished.

The husband of a woman whose partially decomposed body is found floating in the Hudson River becomes the prime suspect in her murder until the prosecutors uncover a connection between her prospective attorney and a judge who has heard a suspiciously high number of his cases.

After a reporter accused of causing the deaths of soldiers with whom he was embedded in Iraq by reporting on their troop movements is shot and wounded on the eve of his return to the front, the ballistics report indicates that the gun belonged to one of the dead soldiers, leading the detectives to uncover who brought the gun back from the front and committed the crime.

When a con man passing himself off as a grief counselor is poisoned by a respected doctor he victimized, McCoy must determine whether revenge or insanity prompted the crime.

The owner of a clothing company with alien immigrant workers is found murdered which sends the detectives on a search for an unidentified evening caller whose girlfriend, also a worker in the factory, recently gave birth. Upon discovery that the victim was also the baby's father, the boyfriend is arrested with the motive being an office affair until the victim's widow discloses that it was a surrogate arrangement.

The apparent hit-and-run of a homeless man send the detectives on a search for the driver, a high profile female publicist, which fuels the fire for the prosecutors to obtain a murder conviction. Forensic evidence given during the trial reveal that the victim was severely beaten before being hit by the car which leads to a suspect within the homeless community.

The investigation into the murder of a former bookie turned mob informant reveals a disturbing new wrinkle in organized crime involving legitimate businessmen moonlighting as contract hitmen in a battle for mob leadership, and ends with a Federal ploy to nullify the plea bargain in the case, leaving McCoy seething and two more people dead.

The death of a woman who fell from a hotel balcony leads to a case involving a lesbian couple and a state law banning gay adoption

A city employee's clerical error sets in motion a chain of events which culminates in a fatal shooting at City Hall and a secret Federal court proceeding with sinister implications.

A decorated Gulf War veteran grief-stricken over the Afghanistan combat death of his son murders an anti-war protester, claiming at trial that he acted under extreme emotional distress.

McCoy faces an uphill battle in proving that witnesses to the murder of a drug mule were bribed, intimidated, and eventually murdered on the orders of the drug dealer accused of the crime.

When McCoy fails to win a murder conviction against an eccentric cross dressing millionaire for the death of his neighbor, he redoubles the effort to convict the man for murdering his second wife years earlier by demonstrating that he murdered a witness to the crime.

When a Holocaust survivor is murdered on the eve of her testimony in the deportation trial of a former concentration camp guard, McCoy prosecutes the man and the Neo-Nazi sympathizer who's running a fundraising web site for him, and must debunk a Holocaust denial defense which claims that the millions of deaths resulted from disease, pestilence and wartime conditions.

The District Attorney's Office is set on its ear when the investigation into the death of an A.D.A. uncovers a scandal that could imperil hundreds of cases.

Greed, treachery and disrespect shape the motives for murder when two men are gunned down at an exclusive restaurant.

The investigation into a bar room brawl fatality reveals a detective's decades-old vendetta against a petty criminal turned murderer who was falsely accused of one murder after evading conviction on another.

Van Buren has reservations about Branch's tactics in luring a Ginza nightclub owner back to New York after the Japanese government is unwilling to extradite him to face charges of conspiracy and murder in the death of his wife on a New York City vacation.

When a caviar importer is murdered the day after his wedding to a much-younger woman, the large pool of suspects includes his new wife, his children, and his chief competitor, each of whom has a compelling motive for committing the crime.

Briscoe bids farewell to the 27 as the prosecution of two women for killing each other's husbands comes to a successful conclusion.

An Iraqi immigrant who murders a former military policewoman in retaliation for torturing her brother at Abu Ghraib prison claims that she is covered as an enemy combatant under the terms of the Geneva Convention.

When a woman abandoned by her firefighter husband for his partner's widow is threatened with also losing custody of her children, she murders her romantic rival, claiming that 9/11 post-traumatic stress syndrome prompted her actions.

When a prison gang puts out a contract on a Sing Sing corrections officer and his family, assigning the job to a newly released ex-con, the terrified officer pleads preemptive self-defense after he's brought to trial for the parolee's murder. As the trial proceeds, the gang attempts to affect the outcome of the case by sending a death threat to the presiding judge, who refuses to be intimidated. Shortly after the conclusion of the trial, McCoy discovers that the defendant's fears about the power and the reach of the gang were well-placed.

McCoy goes after the C.E.O. of a pharmaceutical company who knowingly commissioned further clinical trials on a drug to extend its patent protection yielding millions of dollars of profit without disclosing that previous clinical studies had demonstrated that the drug created a high risk of suicide in its users.

After Green goes undercover to gather evidence on the gun dealers who murdered two detectives during a buy-and-bust, McCoy is able to connect the hit men to the attorney who paid them to avenge the death of his gun-running stepson at the hands of the same detectives during a similar buy-and-bust several years earlier.

When a plastic surgeon's greed and narcissism contribute to his failure to care for a patient that ultimately results in her death, Branch insists that McCoy prosecute him for criminally negligent homicide, rather than leave the matter to the civil courts, after an investigation reveals a several instances of the doctor's inattention to patient care.

The investigation into the death of a governor's wife uncovers a web of infidelity, greed, and corruption which forces McCoy to counter a defense based on a ground-breaking interpretation of spousal privilege.

The detectives are skeptical when a former street activist turned shock jock with a history of staging phony muggings to gain publicity for his causes appears to be the subject of an attempt on his life after publicly assailing a mobster, but they begin to believe his story after they discover that the married jock was involved with the mobster's mistress.

When the investigation into the contract killing of a jeweler uncovers his plan to roll over on his Russian mob connections to a federal prosecutor, as well as an unhappy wife whom he refused to divorce, McCoy must determine who financed the hit.

The prosecution of a drug trafficker responsible for a stash house massacre is hampered when McCoy discovers that the defendant claims diplomatic immunity, and has been working as an undercover operative aiding the U.S. military in Afghanistan.

When a paroled child murderer is run down, the investigation leads to a terrified social worker and an experimental prison therapy program.

The investigation into the murder of a wealthy husband leads to the uncovering of a conspiracy involving infidelity and greed and leads to one defendant attempting to evade justice by killing the other.

When a rap producer is found shot to death in his studio, detectives focus on his protege, whose demos link him and a friend to a second murder. As the investigation unfolds, Southerlyn's opinions put her sharply at odds with both McCoy and Branch.

Fontana and Green are baffled by a series of flu-related deaths until they discover that the victims were given fake vaccine. McCoy goes after the con man who distributed the vaccine for murder.

A conservative talk show host involved in a sexual harassment scandal is murdered, but the trail leads to the victim's wife and an obsessed stalker.

McCoy prosecutes a famous basketball star accused of murdering a man who was suing him because of a massive brawl between players and fans.

The investigation into a fatal traffic accident leads Fontana and Green to a slaughtered hunting party in the woods and an unknown man who may have been pursuing vigilante justice.

When a TV network executive is found murdered, Detectives Fontana and Green suspect a pair of twins who were stealing from the organization until they discover a celebrity chef with whom the married victim shared an affair. The nimble and charming chef is adroit at cultivating relationships with judges and juries alike, but prosecutor McCoy intends to reveal that the suspect's cooking show was about to be cancelled by his late lover.

Police and prosecutors go after a fanatical cult leader who encourages sex with children among her followers.

The bludgeoned corpse of a promiscuous lawyer is found in her office and detectives treat her former lovers as suspects until DNA evidence points to a co-worker. This crossover continues on Law & Order: Trial By Jury S01E08 Skeleton (II).

Fontana and his temporary partner, Det. Nick Falco, must tread lightly when they discover links between a powerful police commissioner and the murders of an infamous porn actress and a maverick publisher.

The shooting of a Panamanian jockey sends Fontana and Falco into the colorful world of horse racing, and they learn that the animal's owner used stolen funds for the purchase.

When Fontana and Falco investigate an arson which caused the death of a firefighter, they discover a murder weapon tied to a nine year old murder and a hate crime in which the defendent attempts to have his case dismissed because he became a born again Christian after committing the murder.

After a man causes a massive train crash that results in multiple deaths, McCoy tries to prosecute him for murder despite his insanity defense. But McCoy finds himself hampered by a defense attorney whose own agenda may undercut that of his client.