A Manitowoc man is pleading not guilty for charges that he robbed a Mobil gas station in Manitowoc. Video surveillance shows a man dressed in all black with a scarf around his face pointing a gun at the cashier, a escaping with $1,050. Christopher Porodish had admitted to police his involvement , and that he used a fake compressed air gun when he was questioned initially, which lead to the charge of armed robbery. He also mentioned that he discarded the gun over the North Eighth Street Bridge. Porodish could face up to 40 years in prison and up to a $100,000 fine, if convicted.