A 9-year-old boy was allegedly smothered and buried by his own mother. She bought the shovel and wheelbarrow weeks before.
Denver's Department of Public Health & Environment stressed their doctors do not believe there is a public health risk.
The mother accused of killing her 9-year-old son in the fall of last year was arraigned on murder charges on Friday in 36th District Court.
The Detroit mother accused of suffocating her 9-year-old son to death will stay behind bars while the case against her proceeds.
A Detroit mother has been arraigned on murder and other charges in the killing of her 9-year-old son whose body was buried in the backyard of the westside home where they once lived.