Milwaukee Police are investigating an armed robbery that happened at the Walgreen's located at 5201 N. 91st Street at about 1:30 p.m. on March 3, 2013. The suspect entered the business, grabbed an employee by the back of the neck, and forced the employee to open the cash register. The suspect then took money from the register and fled the store. The suspect is described as a black male, 5'9" to 6", 140 to 170 lbs., wearing a half black mask, a black head covering, a black Green Bay Packer jacket with a large "G" on the back, and dark jeans. This suspect may also be responsible for the February 17 and the February 24 armed robberies at the Family Dollar store located at 9014 W. Appleton Avenue. Anyone with information on the suspect's identity is asked to call Milwaukee Police at 414-935-7360.