Photos: Gunman opens fire at Chicago's Mercy Hospital
Emergency vehicles sit outside Mercy Hospital where a gunman shot multiple people on November 19, 2018 in Chicago, Illinois. Several people were shot including a police officer and the gunman. Joshua Lott
Mercy Hospital workers are escorted from the hospital after a gunman shot multiple people on November 19, 2018 in Chicago, Illinois. Multiple people were shot including a police officer and the gunman. Joshua Lott
CHICAGO, IL - NOVEMBER 19: Police officers stand at one of the entrances at Mercy Hospital after a gunman shot multiple people on November 19, 2018 in Chicago, Illinois. Several people were shot including a police officer and the gunman. Joshua Lott
Police officers stand near a window at Mercy Hospital after a gunman shot multiple people on November 19, 2018 in Chicago, Illinois. Multiple people were shot including a police officer and the gunman. Joshua Lott
Police officers stand outside Mercy Hospital where a gunman shot multiple people on November 19, 2018 in Chicago, Illinois. Multiple people were shot including a police officer and the gunman.Joshua Lott
Police secure the scene near Mercy Hospital after a gunman opened fire on November 19, 2018 in Chicago, Illinois. Scott Olson
Mercy Hospital workers are escorted from the hospital after a gunman shot multiple people on November 19, 2018 in Chicago, Illinois. Several people were shot, including a police officer and the gunman. Joshua Lott