Medical helicopter hit bad weather before crash - Article Photos 5/8

This undated photo provided by the Rockford Health System in Rockford, Ill., shows flight nurse Karen Hollis, 48. Hollis was one of three people killed when a Rockford Medical Center REACT helicopter crashed Monday night, Dec. 10, 2012, in a field near Rochelle, Ill., while traveling between two northern Illinois hospitals. No patients were aboard when the helicopter went down. (AP Photo/Courtesy of the Rockford Heath System)