A look inside the case against Todd Mullis, a Iowa farmer accused of killing his wife with a farm tool. "48 Hours" investigates the case in "The Corn Rake Murder."
On November 10, 2018, an Iowa farmer, Todd Mullis, called 911. He said his wife, Amy, had fallen on a corn rake and was now unresponsive.
What is a Corn Rake?
A corn rake is a sharp heavy duty farming tool used to scoop corn. This is the corn rake Todd Mullis said had impaled his wife in an accident. It has four sharp tines.
Amy Mullis Dies
Amy Mullis was rushed to the hospital with massive bleeding and pronounced dead. But the emergency room doctor questioned her husband's story.
A Closer Look
Amy Mullis had six puncture wounds, but the corn rake that killed her only had four tines.
Delaware County Sheriff's deputies went to the Mullis farm to investigate.
The Mullis Farm
The Mullis' had an expansive property with two large hog barns – each about the length of a football field.
Preparing for Piglets
Todd Mullis told police that before Amy died, she had been working in one of their hog buildings with him and their 13-year-old son, Trysten. He said they were preparing for a delivery of piglets.
Division of Labor
Trysten Mullis was carrying portable heaters while Todd set up equipment that would provide water to the pens. Amy was cleaning the lights.
Both Todd and Trysten Mullis said that Amy had become dizzy and they were concerned about her. Todd said that four days earlier, Amy had undergone an outpatient medical procedure.
The Red Shed
According to Trysten Mullis, his mom wanted to keep working, but his dad suggested she go in the house and rest. Trysten said his dad asked Amy if on her way to the house, she could stop by the red shed and take out a pet carrier.
Rounding up Kittens
Todd Mullins said he needed the pet carrier to round up a litter of kittens. He said he planned on using some heavy machinery later and didn't want to run them over.
Trysten Mullis said after Amy left, he continued working with his dad for about another hour and a half. He said when they finished, they went to the front office of the barn where Todd looked out the window and said he didn't see the pet carrier where he had asked Amy to put it.
Todd Mullis told police that he sent Trysten to the red shed to check on Amy and the pet carrier.
A Grisly Scene
The teenager said he found Amy Mullis inside the red shed, lying face down on the ground with a corn rake sticking out of her back. He screamed for his dad.
A Narrow Shed
Because the opening inside the shed was so narrow, Todd Mullis said he had to remove the corn rake from Amy's back in order to get her out. He described himself as "a doer" who wanted to get her help.
A Troubled Marriage
Deputies began interviewing Amy's friends and soon learned that she was having an affair with someone who worked on the Mullis' farm.
In February 2019, Todd Mullis was arrested for Amy's murder.
More to the Case
Todd Mullis maintained he was innocent and said he had not known Amy was having an affair. Todd's son Trysten also told police he was with his dad the whole time. But what would a jury think?
Watch "The Corn Rake Murder," an all-new "48 Hours" airing Saturday, September 26 at 10/9c on CBS.