oregon/washington state police have issued a BOLO for arsonist and suspected looters. My source tells me these fires appear to be a coordinated effort. Motive is still unclear.

https://www.oregonlive.com/pacific-northwest-news/2020/09/man-arrested-on-arson-allegation-in-wildfire-west-of-eugene-deputies-say.html

https://www.khq.com/news/arson-suspect-arrested-after-allegedly-starting-multiple-fires-in-spokane-on-monday/article_62df8a40-f223-11ea-8a02-af6f5dca5965.html

https://www.q13fox.com/news/wsp-man-arrested-for-setting-fire-in-median-of-sr-167-in-puyallup

https://kion546.com/news/2020/09/07/woman-accused-of-intentionally-starting-fires-on-highway-101-arrested/

https://news3lv.com/news/nation-world/man-seen-starting-fires-at-oregon-state-park-local-fire-chief-says