I thought you might find it of interest:

http://www.gamblingmagazine.com/articles/53/53-07.htm
"Like almost everyone else who met him, Al Capone took an immediate liking to Eddie O'Hare, and brought him into Hawthorne Kennel Club, a Cicero dog race track, as a major partner."

http://www.americanmafia.com/Feature_Articles_192.html
Kaufman and Litteral ran the wire service and bookmaking operation out of a large tomato packing shed and over time, moved in a roulette wheel and a few crap tables and a bingo parlor. Business boomed and Kaufman added other extras, including a name for the place, The Plantation, taken from a top notch casino that Al Capone had run on the Indiana-Illinois line, back in the roaring twenties