Prosecutors think Arthur Schroeder was killed during a robbery in his Marysville trailer.
The Everett Herald reports that prosecutors on Friday charged two people with second-degree murder in connection with the Jan. 24 killing.
Prosecutors say the suspects, Delaney Henry and Robert Kennedy, admitted to several people that they killed Schroeder inside his small trailer.
They also reportedly told people that they robbed Schroeder of about $200 and the key to a safety deposit box they believed held $20,000. Schroeder's truck was also stolen.
Schroeder was a convicted sex offender, but charging documents say there is no evidence that his prior convictions had any connection to his murder.