A Secret Service agent nabs a scalpel-happy doctor who runs drugs in caskets.
A federal agent sets out to track down his partner's killers.
A federal agent and a female reporter team up to catch a criminal gang that has kidnapped a scientist in order to get his formula for a new type of poison gas.
A federal agent poses as a criminal to infiltrate a gang of parolees seeking vengeance on the lawmen who jailed them.
Gangsters plan an assassination of a rival while he rides the train carrying him to prison.
A story of cattle rustling and double identities.
El Puma, a Mexican desert guide, escorts an archaeological expedition headed by Professor Lucius Lloyd through the Indian badlands of Mexico. Marian, the professor's niece accompanies the party as only she can translate the Aztec writings in the diary of her father, murdered on a similar expedition six years previous. The professor is murdered by a knife, and the weapon is recognized as the property of El Puma. Magpie, a Federal Investigator, knows that El Puma is really "Lightnin' Bill' Carson, a former federal agent who has been missing since Marian's father was slain. The reluctant Magpie believes that his old pal is guilty. Carson sets out to prove otherwise.
Johnny Brownell, former Confederate officer turned Federal agent, is sent to Texas during the reconstruction years to obtain evidence against a gang of raiders who have been making life difficult for the local carpet-baggers. He saves the life of Shorty Kendall, an unreconstructed rebel about to be hanged, and this wins him the gratitude of Belle Chambers, a widow whose husband was killed in the Civil War who hates all Yankees with a fever.
United States Federal agent Rigby travels to the Central American island Carlotta to investigate a stolen aircraft engines smuggling racket.
Travellers board a flight, unaware that other passengers might be spies and counterspies, complete with secret documents, poison and elaborate plans to engage in international espionage!
The story concerns two agents, one Mexican (PJF) and one American, who are tasked to stop the smuggling of Mexican migrant workers across the border to California. The two agents go undercover, one as a poor migrant.
Federal agent Steve Lawton works undercover with his assistant, Smiley Burnette, to track down an outlaw gang that is raiding government gold shipments bound for Fort Navajo.
While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.
The town of San Felipe is plagued by robberies. Two Federal Agents are sent to investigate the major suspect, a local landowner. One agent works on his ranch, the other becomes his daughter's fiance.
A federal agent attempts to make some real money before the alcohol ban is lifted so he sets his sights on the whiskey cache of an old army buddy.
A movies special effects man is hired by a government agency to help stage the assassination of a well known gangster. When the agency double cross him, he uses his special effects to trap the gangster and the corrupt agents.
Asian crime boss Kaneshiro captures two voluptuous undercover federal agents, Donna and Nicole. But instead of liquidating them, he gives the busty duo a head start in a deadly cat-and-mouse game involving six other assassin teams. The heated action takes them from Hawaii to Las Vegas and Louisiana.
A nuclear trigger has been smuggled to the Middle East by an evil mastermind named Kane, and the weapons could upset the delicate balance of power in the region if they fall into the wrong hands. It's up to three bombshell federal agents to avert disaster and restore the precarious balance.
A daring prison break from an airliner at 30,000 feet leaves U.S. Marshal Pete Nessip mourning a brother and gunning for revenge. After being ordered to turn in his badge, he seeks out Jessie Crossman, a noted skydiver, and offers to sponsor her crew for the annual Independence Day parachuting show in Washington, D.C., if she trains him. Meanwhile, the mastermind behind the mid-air jailbreak is planning a daring computer theft on Independence Day.
Jimmy Kilmartin is an ex-con trying to stay clean and raise a family. When his cousin Ronnie causes him to take a fall for driving an illegal transport of stolen cars, Detective Calvin Hart is injured and Jimmy lands back in prison. In exchange for an early release, he is asked to help bring down a local crime boss named 'Little Junior' Brown. However, he's also sent undercover by Detective Hart to work with Little Junior and infiltrate his operations. As soon as Little Junior kills an undercover Federal agent with Jimmy watching, the unscrupulous DA and the Feds further complicate his life.