Police work the scene of a bank robbery and standoff at the Bank of America branch in the Ranch Manor Shooping Center at 111th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media

Police work the scene of a bank robbery and standoff at the Bank of America branch in the Ranch Manor Shooping Center at 111th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media

An armored police vehicle arrives at the scene of a bank robbery and standoff at the Bank of America branch in the Ranch Manor Shooping Center at 11th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media

Police work the scene of a bank robbery and standoff at the Bank of America branch in the Ranch Manor Shooping Center at 111th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media

Police tactical teams work on the roof of the Ranch Manor Shooping Center at the scene of a bank robbery and standoff at the Bank of America branch in the strip mall at 111th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media

Police work the scene of a bank robbery and standoff at the Bank of America branch in the Ranch Manor Shooping Center at 111th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media

Police tactical teams work on the roof of the Ranch Manor Shooping Center at the scene of a bank robbery and standoff at the Bank of America branch in the strip mall at 111th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media

An Alsip Police K-9 officer watches the scene of a bank robbery and standoff at the Bank of America branch in the Ranch Manor Shooping Center at 11th Street and Pulaski Avenue in Oak Lawn Saturday, June 2, 2012. | Brett Roseman~Sun-Times Media