N.Y.P.D.

Detective Corso investigates a cult that uses sex to blackmail.

Everybody loved him - except the person who killed him. The victim: Arnold Elliot, successful film producer and a really nice guy. But was he so nice after all.

Corso's impartiality is tested as he investigates a mob controlled by a childhood friend.

An investigation probes threats on Haines's life.

The bundle is a stolen $150,000 and the detectives aren't the only ones after it. So are the thieves, who lost it.

When a second robbery implicates a center for drug addicts, Corso attends a truth-seeking bull session with the residents.

Candy Latson, director of a narcotics rehabilitation center has been implicated in a robbery.

Numerous cranks confess to be the assailant of neighborhood women.

Corso infiltrates a teenage gang to retrieve Ward's gun and badge.

A health-food faddist goes berserk in Central Park and kills an old man.

An abortionist figures in the detectives' investigation of a dead girl.

A woman's apparent suicide leads to a probe of big-city prostitution.

The detectives try to crack the alibi of a friend who stole a valuable diamond pendant.

Ward searches New York's Puerto Rican ghetto for an extortionist preying on his countrymen.

Corso poses as a larcenous longshoreman to crack a gun-smuggling ring.

Fred Janney, is a peeping Tom discovered in the neighborhood where a young woman was murdered. The police assumption: Janney's penchant for girl-watching makes him a likely witness - or the killer.

The detectives confront a swindled out-of-town visitor who's trying to catch the thief himself.

Corso's attraction to a young widow complicates his investigation of her husband's apparent suicide. She claims it was murder - and that she was the motive.

John James is wounded in the shoulder by a gunshot from a person sitting in a tree in a park.

The detectives probe the death of a girl whose body was found in a seedy hotel room.

The one witness who can identify a killer won't talk.

A question of prejudice arises when Ward is shot by a young cop who mistook Ward for a thief.

Case: a young wife who's been attacked refuses to cooperate with the police.