Robert A. Knuck, Jr. v. Louie L. Wainwright

TUTTLE, Senior Circuit Judge:

Louie Wainwright, Director of the Florida Department of Corrections (D.O.C.), appeals from a judgment of the district court granting Robert Knuck’s habeas corpus petition. The district court held that a change in the method of calculating gain time for Florida prison inmates violated both the ex post facto and due process clauses of the United States Constitution. Knuck first raised the ex post facto claim in the Florida courts, which held that the recalculation was a procedural change and, therefore, not constrained by the ex post facto clause. Knuck v.…