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From March, 2011: Chicago mobster-turned-informant Frank Calabrese Jr. talks with Mike McConnell about exposing his father’s life of organized crime and how he managed to get out of the business. Calabrese wrote a book on the story: Operation Family Secrets- How a Mobster’s Son and the FBI Brought Down Chicago’s Murderous Crime Family. Frank Calabrese Sr. died on Christmas Day, 2012.

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Frank Calabrese, Jr., ex-mobster and author of the book Family Secrets, speaks to the Chicago Tribune’s John Kass Monday March 14, 2011 at Bella Luna cafe in Chicago. (Nancy Stone/ Chicago Tribune)