OMAHA, Neb. (AP) — A Nebraska appeals court has rejected an appeal from an Omaha man serving up to 90 years in prison for robbing a store at gunpoint, then arranging from jail to have a witness shot.

Prosecutors say Gatdet Chuol and another man robbed an Omaha clothing store at gunpoint in June 2011. After Chuol was arrested and jailed, authorities say he recruited his younger brother to kill store manager Matthew Kim to keep him from testifying.

Kim was shot up to nine times, but survived.

On Tuesday, the Nebraska Court of Appeals upheld a judge’s rejection of Chuol’s motion for post-conviction relief, saying there was no merit to his arguments that prosecutors breached the terms of a plea agreement and that his lawyer was ineffective.