A letter from Chicago Mob Killer Frank Calabrese

ABC TV Chicago reports:

The I-Team has obtained a recent letter from the Chicago mob boss to a family friend.

ABC7 has obtained a bizarre letter from Calabrese that may have put him in isolation.

Read Frank Calabrese Sr.'s recent letter to family friend Frank Coconate.

Just think,Frank Calabrese(at one time) could have gotten you a job at Chicago's McCormick Place convention center.Calabrese's brother in law was Chicago Mob linked labor leader Ed Hanley.