Boulder County Sheriff Curtis Johnson explains about cause of fire during a press conference on the investigative outcome into the cause and origin of the 2021 Marshall Fire, Thursday, June 8 , 2023, at the Boulder County Sheriff's Office in Boulder, Colo. Authorities say embers from a smoldering scrap wood fire outside a home days earlier and a sparking power line separately caused a Colorado wildfire fanned by high winds that destroyed nearly 1,100 homes and left two people dead. (Hyoung Chang/The Denver Post via AP)