The publication became an anthology of the deeds of gangsters and murderers.

[3] The original focus of the comic was the Junior Rangers.

[4] The alteration was the work of Joe Simon and Jack Kirby.

The first feature which Simon and Kirby did for Headline Comics was the St. Valentine's Day Massacre.

[2] Simon and Kirby differed from other comic competitors by turning out a crime comic which showed restraint in regard to sex and violence.