ROSEVILLE, Mich. – A shopper who threw a Walmart employee to the ground after being caught trying to steal items in the self checkout area has been charged with two misdemeanors, officials said. Ronald Doby, 30, of Detroit turned himself in to police Wednesday, authorities said. The incident happened around 3:25 p.m. March 6 at the Walmart store at 28804 Gratiot Avenue, according to officials. Those items were removed from Doby’s cart and he turned as if to leave the store, officials said. Then, he turned back around and threw the employee to the ground and into a shopping cart, causing the employee to cut his head, authorities said.