Question: How many times did the leader of the criminal gang, of which Russell Clark was a member, escape from jail ?
Sentence (from "John Dillinger"): He was also charged with, but never convicted of, the murder of an East Chicago, Indiana, police officer who shot Dillinger in his bullet-proof vest during a shootout, prompting him to return fire; despite his infamy, it was Dillinger's only homicide charge.
Relevant evidence: No