HOMER, Mich. (WOOD) — A Calhoun County man was charged with sexual exploitation of children that federal attorneys say happened in 2011. Gerald Lee Preston, 69 of Homer, was indicted on two counts of sexual exploitation of children, according to the U.S. Attorney for the Western District of Michigan. Attorneys say in 2011, Preston “used persuaded, induced and enticed” two children to participate in sexual acts so that he could record it.