Teen involved in armed robbery shoots and kills partner by mistake

19-year-old Marquis Greenwood and 18-year-old Tiekarian Troutman of Sacramento, California set out to rob a business at gunpoint. A 16-year-old girl also went with them. During the robbery a struggle took place between the robbers and an employee of the business. At some point, Greenwood attempted to shoot the employee. Instead he shoot his partner, Troutman.
Greenwood fled the scene. The girl remained with Troutman who was taken to the hospital but later died from his injuries.
Greenwood and the girl have been arrested and charged with murder and attempted robbery.
Ohh shoot.