Iowa farmer calls 911 after his wife is found impaled by a common farm tool

On a chilly November morning, a call came in to the Delaware County, Iowa, 911 call center from a frantic Todd Mullis, saying his wife, Amy, was found unresponsive with a corn rake sticking out of her back and he was driving her to the hospital. The farmer said she fell on the farm tool, but is that what really happened?