Article Photos: 3 killed in medical helicopter crash in Illinois 3/6

Emergency personnel investigate the scene of a medical helicopter crash Tuesday, Dec. 11, 2012, in Rochelle, Ill., about 70 miles west of Chicago. Rockford Memorial Hospital officials say the pilot and two nurses were killed in the Monday night crash while traveling between two northern Illinois hospitals. No patients were aboard the helicopter that was flying to pick up a patient at a Mendota hospital. (AP Photo/Rockford Register Star, Scott Morgan)  MANDATORY CREDIT