 Purvis had become a national hero for his record as an FBI agent during the so-called "war on crime" in the early 1930s, most notably for leading the manhunt that ended with the death of John Dillinger.As a result of this fame, Purvis was seen as a real-life counterpart to the fictional detectives, such as Dick Tracy, that proliferated in the popular culture targeting boys during this period.As part of the radio program, listeners could join a "Junior G-Men" club and receive badges, manuals, and secret agent props.