"Reaping down upon the underworld to smash ganglands comes a friend of the unfortunate an enemy of criminals, the mysterious all powerful character who is a problem to the police. A crusader for law, in reality Dan Garrett a rookie patrolman loved by everyone but suspected by none of being the Blue Beetle. As the Blue beetle he hides behind a strange mask and a suit of impenetrable blue chain armor flexible as silk but stronger than steel."
Radio broadcasting was the cheapest form of entertainment, and it provided the public with far better entertainment than most people were accustomed to. As a result, its popularity grew rapidly in the late 1920s and early 1930s, and by 1934, 60 percent of the nation's households had radios.