The Radio Marauders (Thrilling Tales Version)

From the introduction page of the adventure: A wave of science-crime strikes the city as armed robbers hit banks and jewelry stores, using special radio devices to stay one step ahead of the police! It’s up to the heroes to track these well-equipped thieves down and put a stop to their robberies... but when they find out that there’s more to this crime spree than mere robbery, will they be able to stop the scheme in time?