Plot: Gang leader convinces gang members that he can bring the dead back to life. Everyone one wants to join his gang and take crazy risks committing crimes. Detective gets onto the case and proves that it's all a cruel hoax. The gang hideout is under a subway train tunnel. What is the title of this movie?

The Universal movie serial: Gang Busters (1942) (http://www.youtube.com/watch?v=ns_1WuxZEkQ&list=PL00B2ADB42B454F89&index=1)

Thank you so much!!