A extremely intricate crime ring is set up to provide wanted criminals with new identities and relocate them throughout the United States.

The blowup of a munitions cache and the revelation that there are more caches hidden in the desert, triggers a wave of terror.

An extortionist turns a teenage gang into a deadly ring that sets off a series of truck accidents forcing the trucking companies to pay "protection insurance."

A dedicated woman public official is confronted by a desperate dilemma when an extortionist demands $100,000 under threat of death after a crooked real estate developer has offered her a large bribe.

Lest he is murdered by syndicate hirelings, a labor leader covers up the crime he committed in self-defense after he was attacked by the syndicate chief's son. A lady killer is hired to do in the leader.

Captain Linc Evers establishes himself as a member of a robbery ring and becomes involved in the biggest bank robbery in the city's history.

A sniper disrupts the practice session at the Rose Bowl and then threatens to get the Heisman Trophy winner on the 50-yard-line on New Year's Day.

The arrest of members of a guerilla group sends the escaped leader on a terrorist campaign order until his patriots are freed.

A sinister unseen CB radio operator heads a ring of kidnappers who prey on ordinary people knowing their families will not jeopardize their loved ones' lives for a meager $750 ransom.

Captain Linc Evers and his elite squad are after a boy computer genius who uses his expertise to trigger bombings for blackmail.

Six college coeds are abducted by a white slavery ring directed by a faculty member. The ring is led by a college instructor who sets up lonely girls. Kate goes undercover, only it works too well.

A perpetrator and two minions armed with automatic weapons and grenades have taken over a Boeing 707 jetliner with 32 persons aboard. The perpetrator forces the plane to land. He wants words with Congressman Celli who is a former hard-charging prosecutor who sent him up for the murder of a union rival and the latter's family. Linc and his team are assigned to the case.