Manning was 49, according to the Snohomish County Medical Examiner's Office.
His death remains under investigation by the medical examiner's office and the Washington State Patrol.
He died about 4 a.m. June 26 after his Ford Explorer struck a power pole on Highway 530, east of Arlington.
Troopers said his vehicle failed to make a curve and went off the roadway, striking the power pole.
More Local News Headlines
Former county ombudsman John Koster files $950K claim Tulalip Tribes gave $5.8 million this year Driver wipes out 5 cars at Everett repair shop Lawmakers seek input on education funding in Everett on Tuesday Cascade senior wants to expand her interests in robotics Audit: City of Snohomish over-claimed $125K Arlington thrift shop gives special-needs kids real-world skills Front Porch: Volunteers sought for Evergreen fair advisory board
Our new comment system is not supported in IE 7. Please upgrade your browser here.