Question: What German-American Contract killer that was a member of Chicago's North Side Gange was a vitvim of the Saint Valentine's Day massacre?
Sentence (from "St. Valentine's Day Massacre: In Your House"): The title of the event alludes to the Saint Valentine's Day massacre of 1929, which saw seven people murdered as part of the gang war between Al Capone and Bugs Moran.
Relevant evidence: No