Arizona Father Arrested After Son's Decomposing Body Found in Filthy Home

Joseph Gregory Antonsen faces charges of negligent homicide and child abuse after 9-year-old son discovered in uninhabitable conditions.

Authorities found the boy's body decomposing on a couch during a welfare check.
The home was filled with trash, soiled diapers, rotten food, and lacked running water.
Antonsen claimed his son fell ill but did not seek immediate medical help.
Neighbors reported not seeing the boy for about a month prior to the discovery.
Antonsen is being held on a $500,000 bond as the investigation continues.