Doctors Make Promise to Injured Police Officer

This video is unavailable because we were unable to load a message from our sponsors.

If you are using ad-blocking software, please disable it and reload the page.
Playing
Chris, a police officer, fell while running full speed after a suspect. Since the accident, he's had shooting pains up and down his body and has been unable to walk well. Learn more about what can cause a spine to fuse. Plus, what deal did Dr. Ian make with Chris?