The main clue in a robbery homicide is a laser aimed gun similar to that used by a comic strip character.

Hooker crosses the mob and the FBI while investigating a robbery where a former police officer is shot.

Hooker, Corrigan and Sheridan travel to Hawaii on special assignment to protect the life of a U.S. Senator and his family who are threatened by terrorists.

The death of Off. Kalanuma and the kidnapping of Sen. Grayle's wife and daughter provide clues to who is behind the assassination attempts.

A paramilitary group targets people they deem "threats to society".

Hooker considers the future of Stacy and Corrigan's partnership after friendship becomes confused with romance.

Hooker searches for a murderer whose victims all were female lawyers who attended the same law school.

Stacy's job performance is hampered by the fear that she'll be the next victim of a murderous gang of bank robbers.

Semiconscious after an auto accident, Stacy is taken in by an escaped mental patient claiming to be a doctor.

Hooker insists on spearheading the investigation when an old flame, a police intelligence officer, is reported killed in a shootout.

Armed robbers take Stacy hostage, and one of the suspects has personal ties to the mayor.

Arriving at the scene of the brutal murder of a college girl, Hooker recognizes the method of murder as used by a serial killer dubbed "The Night Ripper", who was behind a spree of six grisly sex murders four years previously and was never caught. With the psychotic killer terrorizing the city once more, Hooker is under pressure to uncover his identity and get him off the streets.

Corrigan gives serious consideration to leaving the force after pulling the trigger in two fatal shootings.

Hooker clashes with a Fed out to bust the drug dealer who killed one of Hooker's cops in a sting operation.

A man Hooker served with in Vietnam is out to assassinate a Soviet trade delegate.

The investigation of a porno actress's murder is hampered by her uncle, a cop obsessed with finding the killers.

A released prisoner hunts down the policeman he blames for his conviction.

Hooker's dad, a retired cop, arrives unexpectedly and shows more than a passing interest in Hooker's current case.

Hooker's daughter is kidnapped by an ex-cop who demands to know the whereabouts of his own family — relocated by the FBI after he was sentenced to prison.