Watch: forced 6YO for treadmill run, dad on trial for kid's death

Christopher Gregor is on trial for the 2021 murder of his son, Corey, who passed away two weeks after a terrifying treadmill workout that left him injured. Gregor is shown compelling the six-year-old kid to run on a treadmill at high speed and inclination in video footage that was shown in court. Gregor did this thinking his son was overweight.