FULL TITLE: Court hears how four-month-old boy's maggot-infested body was found in a baby swing after he went unchanged for a week and died of extreme 'diaper rash' as his father faces trial for murder An Iowa father's murder trial has begun after his infant son's body was found maggot-infested in a baby swing after dying from diaper rash last year. Four-month-old Sterling Koehn had been in the same diaper for nine to 14 days when his body was found in the swing August 30, 2017, at his parents' apartment in Alta Vista. The baby's father, 29-year-old Zachary Paul Koehn,...