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The man accused of setting the largest of the wildfires that have destroyed hundreds of buildings and forced tens of thousands of people from their homes in eastern Washington was previously charged with first-degree murder before pleading guilty to a reduced manslaughter charge, court records show.
Aaron F. Farinacci, 37, was arrested Monday on suspicion of first-degree arson in connection with the Old Trails Fire, the largest of three blazes burning in and around Spokane, Washington’s second-largest city.
The fires have destroyed at least 700 buildings and forced about 67,000 people to evacuate. Authorities have not alleged any connection between Farinacci and the other two fires, which remain under investigation.
WASHINGTON MAN ARRESTED ON ARSON CHARGE TIED TO DEVASTATING SPOKANE WILDFIRE
The arrest came hours after Washington Gov. Jay Inslee, a Democrat, pointed to climate change as firefighters battled the region’s destructive wildfires.
Aaron F. Farinacci was arrested on suspicion of first-degree arson in connection with the Old Trails Fire in eastern Washington. (Arizona Department of Corrections)
“Climate change isn’t some existential global thing,” Inslee said Monday. “It’s our neighbors. It’s our friends.”
Court records reviewed by Fox News Digital show Farinacci was initially charged with first-degree murder and aggravated assault in a 2010 Arizona homicide before pleading guilty in 2012 to reduced charges of manslaughter and aggravated assault.
The Associated Press reported that Farinacci, then 21, fatally shot his father during an argument over washing dishes in Mesa, Arizona, in 2010. Farinacci also shot himself but survived.
A Maricopa County judge sentenced Farinacci to 12 years in prison after he pleaded guilty to manslaughter and aggravated assault. Arizona Department of Corrections records show he was released on Dec. 23, 2020.
Aaron Farinacci, 37, was charged with first-degree arson. (Spokane County Sheriff’s Office)
Less than six years after his release from prison, Farinacci again found himself accused of a major crime.
The Spokane County Sheriff’s Office said Major Crimes detectives and Washington State Department of Natural Resources fire investigators identified Farinacci as the suspect after developing probable cause during the investigation.
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Detectives obtained arrest and search warrants before taking Farinacci into custody without incident at his Spokane residence, where he was booked into the Spokane County Jail on suspicion of first-degree arson.
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Spokane County Sheriff John Nowels said witnesses reported seeing a man – later identified as Farinacci – acting suspiciously near where the fire started. After returning home and noticing smoke rising from the same area, they flagged down an Airway Heights police officer and provided investigators with a physical description of the man and the clothing he was wearing.
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Firefighters respond to a wildfire near Spokane, Washington, on Aug. 2, 2026. (South Pend Oreille Fire Rescue / FOX Weather)
Deputies initially detained and questioned Farinacci before releasing him as first responders focused on evacuating residents threatened by the rapidly growing fire, Nowels said.
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As detectives reviewed witness statements, body camera footage and evidence gathered with fire investigators, they developed probable cause to arrest Farinacci.
Chimneys are the only structures remaining in a residential neighborhood after a wildfire hit the northern part of Spokane, Washington, Monday, Aug. 3, 2026. (AP Photo / Lindsey Wasson)
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When deputies first contacted Farinacci, he was carrying waterproof matches and a butane lighter, investigators said. Fire investigators later determined the blaze was consistent with dry grass being ignited by a match or lighter.
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Nowels said the first-degree arson charge reflected the evidence investigators currently have but cautioned that additional charges could be considered as the investigation continues and authorities assess the full scope of the fire’s destruction.
Allen Sather stands in front of his 1968 Chevrolet C20 at the duplex he rented on W. Indian Trail Rd. that burned in a wildfire in Spokane, Washington, Sunday, Aug. 2, 2026. (AP Photo / Young Kwak)
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The sheriff credited observant residents with helping investigators quickly identify the suspect.
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“As it happens in so many critical cases, it was citizens who were paying attention to their surroundings, being aware and willing to step up and say something that led to the relatively quick apprehension of Mr. Farinacci,” Nowels said.
The Associated Press contributed to this report.