He also worked in the office of the Mayor of Chicago for several years. Plaintiff Howard Carroll, an attorney, is Sain's law partner and a specialist in negotiations and problem solving. Carroll has also been serving as an Illinois State Senator for more than 24 years. Plaintiff Leroy Camel is a businessman who helps inventors market and commercialize their products. Camel's son, a friend of Nagel's in college, introduced Camel and Nagel.