Bodies of three killed people and another injured participant of a shootout who survived were found in a trailer in Thurston County, Washington.

He called the police and reported that unknown person shot his friends, Americaru reported. 

The bodies of two men and a woman were found in a trailer the yard of a house. Methamphetamine, heroin, several thousand dollars, two rifles and guns of various modifications were also found at the site. None of the types of weapons found were used during the murder, Deputy Sheriff Dave Pearsall said.

The survived person is in hospital after surgery, therefore he cannot give evidence in the case. He is not a suspect in the shooting. The personalities of the killed have been identified.