WSP says the person has not been identified and an investigation is ongoing.
Human remains and the cause of the explosion was found at the scene.
Attorneys are still reviewing evidence and struggling to get potential witnesses to agree to be interviewed.
The fate of the ferry rates has been in limbo for several years.
The memorial service will begin at 1 p.m. on Sunday at the state capitol’s West Campus.
Earlier this month, the Whatcom County Sheriff’s Office learned that the man had been located in Missouri.
As part of Mayor Kim Lund’s executive order targeting affordable housing, the city has partnered with home-sharing website Nesterly.
The final stage of the project is to pave the roadway, which began this week.
The city filed a motion to dismiss the lawsuit last week, alleging that the case was too similar to another one filed by the couple in April.
The original shooting victim, a 37-year-old man, was transported to the hospital with non-life-threatening injuries.