SIOUX FALLS, S.D. (MITCHELLNOW)A federal jury in Sioux Falls has found Lamont Garrett guilty of possessing ammunition as a felon. The verdict came after a three-day trial in federal court. Garrett was charged after police and Homeland Security investigators found 9mm and .22 caliber ammunition in his bedroom during a search last August. As a convicted felon, Garrett is prohibited from having firearms or ammunition. He now faces up to 15 years in federal prison, a $250,000 fine, and up to three years of supervised release. For more crime stories from MitchellNow.com, click here.