ROCK ISLAND, Ill. (May 14) - On May 9, 2013, Randall Todd Walker, a 50 year-old resident of Des Moines, Iowa, was sentenced to 15 months imprisonment for cutting and removing 32 black walnut trees from property under the control of the U.S. Army Corps of Engineers and the U.S. Fish and Wildlife Service, announced U.S. Attorney Nicholas A. Klinefeldt. U.S. District Judge John A. Jarvey also ordered Walker to serve three years of supervised release following incarceration. Additionally, Judge Jarvey ordered Walker to pay restitution in the amount of $56,225 and to pay a $100 special assessment for the Crime Victims Fund.