(Portland, OR) -- A Portland marijuana shop employee is pleading not guilty to two counts of murder in the fatal shooting of two armed robbers. Court documents reveal 34-year-old Jason Steiner entered the not guilty plea in court yesterday. Police say Steiner told the armed robbers they could have the store and left. He allegedly returned with a gun and shot the men. 18-year-old King Lawrence and 20-year-old Tahir Burley, both from Milwaukee, were killed. A third man ran escaped. Steiner pleaded not guilty to the charges.