An employee at a cannabis dispensary in North Portland is accused of fatally shooting two people who attempted to rob the business last week. Jason Steiner, 34, turned himself in to Portland police Wednesday and was booked into Multnomah County’s downtown jail on allegations of two counts of second-degree murder and two counts of unlawful use of a weapon. Last week’s shooting happened just after 9:30 p.m. on Thursday. The North Portland store had been targeted by at least four previous armed robberies since 2022, state records show. In June of this year, one employee was working when five people...