The cases include shootings by Kent, Auburn, Federal Way and Kirkland officers.
Five buildings will come down as the company consolidates while keeping its presence in the town.
Agents found an arsenal of weapons and armor at his home on Wednesday.
A suspect was arrested about 30 miles from the scene of the killing.
The victim had tried to prevent the suspect from stealing his truck, officers said.
Aubrey Taylor controlled his victims with violence, threats and heroin.
The driver suffered only scratches from the unsecured load along Highway 167.
Witnesses reportedly saw him drinking prior to the collision. A 73-year-old man was killed.
Four officers and a K-9 unit took the Seattle man into custody.
“The tragedy had an effect on our comp program,” the city’s human resources risk manager said.
It was six hours before a passing driver saw the car and got help.
The relocation would reverse Boeing’s trend over the last several years to move workers out of Kent.
