FEDERAL AGENTS VERSUS UNDERWORLD, INC. (1949) - DVD

Stars Kirk Alyn, James Dale and Rosemary La Planche. A female master criminal discovers an ancient relic that can control people's minds. She uses it to start a wave of crime like no other. It's Federal agents challenged with trying to stop her evil influence and stop the terror. A Republic serial with 12 pounding episodes 167 minutes.