Skip to contentBy | jcook@medianewsgroup.com | Macomb DailyTwo witnesses testified a Sterling Heights business CEO pulled out his handgun first, and one of them said he shot first when he gunned down and killed his sister during a parking-lot shoot-out moments after he fired the pair from their jobs.Zachary Holtson III, 50, of Farmington Hills, was bound over Tuesday to Macomb County Circuit Court by Judge Annemarie Lepore of 41A District Court on a charge of second-degree murder following a preliminary hearing for the slaying last May of his sister, Rita Evans, 54, in the parking lot of...…Skip to contentBy | jcook@medianewsgroup.com | Macomb DailyTwo witnesses testified a Sterling Heights business CEO pulled out his handgun first, and one of them said he shot first when he gunned down and killed his sister during a parking-lot shoot-out moments after he fired the pair from their jobs.Zachary Holtson III, 50, of Farmington Hills, was bound over Tuesday to Macomb County Circuit Court by Judge Annemarie Lepore of 41A District Court on a charge of second-degree murder following a preliminary hearing for the slaying last May of his sister, Rita Evans, 54, in the parking lot of...WW…