only FBI cases, was subject to Hoover's whims and restrictions. Gang Busters, however, featured interesting and dramatic crimes from the files of law-enforcement organizations all over the country. G-Men aired on NBC Radio from July 20 to October 12, 1935, sponsored by Chevrolet.

The second series of Gang Busters programs debuted in mid-January 1936. The opening sound effects became even more elaborate and aggressive, including a shrill police whistle, convicts marching in