The St. Valentine's Day Massacre

The machine-gun murders of seven men on the morning of February 14, 1929, by killers dressed as cops became the gangland crime of the century. " Or so the story went. Since then it has been featured in countless histories, biographies, movies, and television specials. 'The St. Valentine's Day Massacre, ' however, is the first book-length treatment of the subject, and it challenges the commonly held assumption that Al Capone ordered the slayings to gain supremacy in the Chicago underworld. "