The body of William Mussack, 61, was found inside.
Investigators say they first received a call from a concerned family members on Dec. 27 who say they had not heard or seen from a male relative since early December.
A missing person report was filed the next day.
It wasn’t until Wednesday when investigators executed a search warrant at the home on Eliot Circle.
Mussack’s daughter, Dayna Jennings, was taken into custody for investigation of first-degree murder.
The Colorado Bureau of Investigation and hazmat teams were seen walking in and out of the home collecting evidence on Wednesday.