Case: Carl Schmidt, Colonel Lorenz Tabor - Espionage, Murder.

A dead mans hearing aid containing microfilm has The FBI uncovering an espionage ring.

Case: Miguel Ramos Valdez-Assaulting a Federal Officer, Murder.

Assistant Director Arthur Ward, Inspector Lew Erskine and Agent Tom Colby track down an oil field killer.

Case: Michael Vincent Riley, Fugitive - Interstate Transportation in Aid of Racketeering.

Case: John Graham Evans - Parole Violator - Murder.

A killer picks for his robbery Victims, a happy family of four living on a farm.

Case: Roy Donald Blake - Fugitive, Interstate Transportation in Aid of Racketeering - Gambling.

Case: Ralph Gordon Stuart - Espionage, Murder.

The FBI follows a trail of blood in the hunt for a deadly Communist spy who's out to steel a top secret rocket fuel.

Case: Harold Dale Converse - Fugitive, Bank Embezzlement.

FBI Inspector Lew Erskine hunts down a bank embezzler and also tries to protect him from criminals helping in his escape.

Case: Vincent Preston Gray - Interstate Transportation in Aid of Racketeering, Extortion.

Case: James Reed, George Wilson, Joseph Troy - Interstate Transportation of Stolen Property, Murder.

A holdup mans love for a woman forces him into a shootout with a crew of FBI agents.

Case: Thomas Waters a.k.a. Thomas Grant; William MacKenzie; Jack Dale - Interstate Transportation of Stolen Property - Major Theft.

Inspector Lew Erskine is the go-between for a jeweler seeking the return of stolen diamonds.

Case: Helmut Probst a.k.a. Paul Seiger - Unlawful Interstate Flight to Avoid Prosecution, Murder.

Inspector Erskine hunts down a wartime SS colonel who is still promoting Nazi ideals.

Case: Glen Parmenter et al - Espionage, murder.

Inspector Lew Erskine snares a spy ring and in turn trapped by them in a deserted Mountain cabin.

The crime is ""Unlawful Wearing of the Uniform"" and (by the way) murder. A con man wears a US Air Force uniform to entice women to marry him. He then murders or otherwise cheats them.

Case: Joyce Carr - Parole Violator,Murder.

Inspector Lew Erskine traps a go-go dancer who conspires to marry military service men and collects their insurance money when her boyfriend murders them.

Case: Edward and Nora Tobin - Kidnapping.

Inspector Erskine and Agent Colby search for a kidnapped negro baby who is hiding in a plague infested ghetto.

Case: David Joseph Miles, Frank Stocker - Interstate transportation of Stolen Property, Extortion.

FBI Inspector Lew Erskine fights the Mafias entry into selling fake masterpiece paintings.

Case: Eugene David Holt, Elaine Donner, Richard Mills - Kidnapping.

Blood at the sight of a kidnapping decides FBI Inspector Lew Erskine to act immediately without waiting for the ransom payment.

Case: Danielle Chabrol - Espionage.

Case: Richard William Shaefer, alias Marvin Smith - Kidnapping.

Case: Frank Dixon Welles - Top Ten Fugitive, Assaulting a Federal Officer.

Case: Arnold Grant Toby - Interstate Transportation in Aid of Racketeering, Attempted Murder.

Case: Miguel Torres - Destruction of Aircraft, Kidnapping.

Case: Leonard King et al - Interstate Transportation in Aid of Racketeering, Murder.

Case: William Rockhill - Crime on a Government Reservation, Arson, Murder.

Case: Vincent Tobias, John Beeker - Crime on a Government Reservation, Murder.

A banker runs a loan sharking ring from his bank. He specializes in ripping off ex servicemen who have been rejected for a normal loan at his bank. The crime on a government reservation was the murder of a serviceman who could not pay the outrageous interest on a ""loan"".