Michele Anderson, and Joseph McEnroe have been arrested for the death of Michele's family, and the homicides are being investigated, autopsies will officially determine the cause of death but the bodies all had gunshots which are believed to be the cause.
911 says a call came into them early evening on Christmas Eve but when the police arrived they were stopped at a locked gate.
New York Times reports that the local news media spoke with neighbors that said the property owner worked for Boeing and his wife was a postal worker and investigators showed up after a colleague of the wife stopped by on Wednesday, saw the bodies and called the police.
According to public records, the property was owned by Wayne Anderson, 60, and Judy Anderson, 61.
Quick update: The Seattle Times is reporting that a financial dispute might be connected to these murders and that the victims, besides the suspects parents were her brother and his wife and their two children, who were visiting from Black Diamond
The suspects were living in a mobile home adjacent to Anderson's parents' house.
People who knew the family said Judy and Wayne Anderson had lived in the home since the early 1980s and later purchased the adjacent property, where the mobile home is located. A family friend said the couple had three adult children, including the suspect Michele Anderson — who recently moved into the mobile home with McEnroe — and Scott Anderson. Another daughter, Mary, lives in North Bend.
Family friend Mark Bennett, 58, talked to the Andersons on Christmas Eve and made plans to get together the following day. But when Bennett called on Christmas Day, his call went to voice mail. He told reporters he went to the property Wednesday morning after seeing the home on television news.
"I didn't want to believe what I heard and saw," he said, "so I drove over."
Carnation is a little town with a population of just under 2,000 people about 25 miles east of Seattle and the residents and as Nikki Larson, manager of a local pub and grill states "Everybody is in a state of shock".