Baby found malnourished; parents arrested on outstanding warrants for child abuse

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William John Knapman and Diana Rosemary Dieter By Jennifer Thomas William John Knapman and Diana Rosemary Dieter By Jennifer Thomas

PEORIA, Ariz. -- A couple previously accused of child abuse were arrested Wednesday after their baby was found malnourished and dehydrated.
Peoria police received an anonymous tip regarding a couple with an unhealthy baby in their truck's camper in the parking lot of a McDonald's near 83rd Avenue and Thunderbird Road.

Officers responded to the scene and the 3-month-old boy was taken to a local hospital. Doctors told investigators that the child had a low heart rate, was dehydrated and malnourished, and appeared to be suffering from hypothermia.

Police spokesman Jay Davies said the boy's parents were found to have outstanding felony warrants out of Apache County for child abuse. William John Knapman, 51, and Diana Rosemary Dieter, 21, were taken into custody.

Davies said they were only booked on the outstanding warrants that stem from a 2011 case in which they are accused of abusing their other son, who is now 2-1/2 years old, and is based on the boy's malnourished condition.

The couple's parental rights were severed last June and that boy is currently in the custody of Child Protective Services.

Davies said when the baby is released from the hospital, he'll go into CPS care.

The investigation is ongoing.