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A young woman leads O'Brien and Giambone (Scott Hylands, Jeff Wincott) to a hit man who plans to assassinate the deputy mayor.

Giambone and O'Brien are assigned to investigate several murders after Kirkwood's friend gets involved with the Chinese underworld.

When a junkie who attempts to rob the bar is killed by an irate patron, Nicole hides the real facts from O'Brien.

Vociferous animal rights activists raid a research laboratory and steal monkeys to use in a propaganda campaign.

Whitey and his girlfriend become mob targets after he witnesses a murder during his pickup of stolen merchandise. Whitey and his girlfriend are forced to enter the witness protection program.

O'Brien (Scott Hylands) must re-evaluate his relationship with Nicole (Susan Hogan) when she becomes pregnant. Guest star: Elias Zarou. In addition, O'Brien and Giambone investigate a gruesome assault tied to a crooked restaurant owner who is indebted to a dying loanshark. With Jeff Wincott.

When Lt. Hogan is shot during a holdup, O'Brien and Giambone must rally behind the unfamiliar lead of a beautiful temporary commander to catch the assailants.

A young woman confesses to Father Torres that she witnessed her brother kill a friend over a disagreement during a mugging.

Carson (Stephen Mendel) feels responsible when Colby (Eugene A. Clark) is shot while investigating a robbery. With Scott Hylands and Jeff Wincott.

O'Brien and Giambone investigate the deaths of six illegal aliens who died in a shipping container trying to enter the country. Both are convinced another 'shipment' is on the way.

While investigating an unusual death, Kevin and Frank become curious about a wealthy family's effort to keep their dead father's memory alive. Frank is pursued by payroll because of his mounting debt.

A Columbian detective helps the precinct apprehend members of a drug ring when several people are killed by a lone gunman during a cocaine operation.

A priest helps the police find the hit-and-run driver who killed a young woman. Meanwhile, a women visits Lt. Hogan and claims to be his daughter.

Kevin and Frank investigate when a real estate fraud sends a psychopath on a killing spree.

A man attempts to protect his wife after she witnesses the murder of a drug dealer.

O'Brien and Giambone (Scott Hylands, Jeff Wincott) investigate when members of a jazz band are killed one by one. Guest stars: Paul Benjamin, James Purcell.

O'Brien and Giambone investigate the murder of a health club co-owner and confront a powerful loan shark.

After a jewelry robbery goes awry and an injury inhibits O'Brien, the prime suspect fabricates charges against Giambone.

O'Brien is consumed with guilt when he fails to prevent a suicide; Giambone pursues murderous thieves.

O'Brien and Giambone (Scott Hylands, Jeff Wincott) must prevent the assassination of an Italian organized crime prosecutor (Hrant Alianak).

A police academy classmate of Giambone (Jeff Wincott) is investigated by a review board. Guest stars: Frank Pellegrino, Barbara Barnes-Hopkins. With Scott Hylands.

O'Brien and Giambone (Scott Hylands, Jeff Wincott) become involved when Nicole's (Susan Hogan) mother (Frances Hyland) is attacked by a group of skinheads.

Elaine (Deborah Grover) reluctantly becomes a decoy for a serial killer. With Scott Hylands and Jeff Wincott.

The officers of Mid-South are reminiscing about their time together. After working together for years they now face the possibility of being sent to different precincts. Kirkwood proposes a feature article to raise awareness and prevent the closure.