When a Mafia informant is assassinated, Dan Farrell, senior editor of Crime Magazine, looks for the only other witness to a major mob crime. She allegedly committed suicide eight years earlier.

Dan Farrell patiently prepares to exact his revenge upon the robbers that murdered his wife.

A woman sitting on death row hopes that Dan Farrell can find enough evidence to prove that she did not murder her husband.

When drugs start appearing in the hands of schoolchildren, Dan Farrell and Peggy pose as a truck driver and car-hop as they investigate a narcotics ring.

Farrell (RS) takes a hand in the investigation of a murder at a ""Swinging Singles"" apartment. The victim is the mistress of one of Farrell's editors. The wife of the victim who despite her despair over her husband's pecadilloes urges Farrell to find the guilty party.

Dan Farrell (RS) investigates as a man and a priest try to clean up the slums and end up having a showdown with a powerful Mafioso.

Dan Farrell (RS ) is called in to investigate a prison break. One of the escapees is an elderly former building contractor, who didn't want to join his fellow cons in their breakout. Farrell suspects that the contractor is being sprung in order to help break into one of the buildings that he designed.

Blues singer Jesse Boone's business manager has just died under mysterious circumstances. He also swindled Jesse out of $200,000. Thing of it is, Jesse couldn't care less--and Crime magazine editor Dan Farrell (RS) wants to know the reasons for her apathy.

Farrell (RS) is investigating charges that the officials of a prison on the Mexican border are shipping out forced labor to local farms. It has been further charged that the officials are getting rich on kickbacks. Assuming a false identity and taking a job in the border town becomes very hazardous.

The object of Farrell's (RS) latest investigation is a professional fundraiser. The editor recognizes him as a notorious con man, so it should be no problem to expose his racket. But problems there are, especially when an unknown gangster type pressures him to lay off.

A Boxer is suspended when he punches out an obstreperous reporter. Feeling partly responsible, Dan Farrell (RS) tries to help the young fighter. Farrell soon learns that the boy's manager may be arranging a fixed bout.