Paul Child said he drove past an unfamiliar man twice near railroad tracks outside his Washington home and, roughly 10 minutes after seeing the man crouched in nearby brush, noticed smoke rising — a sequence that would later help investigators identify a suspected wildfire arsonist.
Newly obtained police bodycam video shows officers evacuating Child’s family, then bringing Child, his grandson and the boy’s friend to a field showup after authorities detained a man who fit the description the witnesses had provided.
As Child and the other witnesses waited near the showup location, the footage captured an officer stating that the detained man had “a whole fanny pack full of matches.”
The bodycam video does not show the alleged matches, nor does it make clear how investigators recovered them.
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)
Child said he, his grandson and the grandson’s friend were not told about the alleged matches or any other items before they were asked to look at the detained man.
“We thought he had a backpack,” Child told News Outlet. “They didn’t say anything to us anyway about the fanny pack with matches, cigarettes [and] I guess lighter in it.”
Child told News Outlet that the three witnesses saw the man twice near the railroad tracks close to where the fire appeared to have started. On the second pass, he said, the man’s actions struck him as odd.
Wildfire witness Paul Child speaks with an Airway Heights officer near his pickup truck as authorities respond to the Old Trails Fire on Aug. 1, 2026. (Airway Heights Police Department)
“He was kind of bent over and looked like he was doing something in the bushes,” Child said. “He got up, saw us. When he saw us, he turned to face us and kind of was pacing back and forth nervously.”
Child said there was no smoke when the group last saw the man. Within about 10 minutes of returning home, however, he said smoke began rising about a half-mile away.
Bodycam footage from the Airway Heights Police Department shows smoke billowing in the distance as Officer Pace speaks with Child’s family about evacuating. The officer later tells them police may have detained “your guy” and that they could be asked to take part in a showup.
Airway Heights police body-camera footage shows smoke from the Old Trails Fire near a rural property on Aug. 1, 2026. (Airway Heights Police Department)
A field showup is an in-person identification procedure in which witnesses view a person detained shortly after an incident.
While the footage does not show the identification, Child said Pace escorted him and the two boys to a location about a mile and a half from his home.
“We pulled off to the side of the road and they got an individual out from the back of the … Spokane County deputy car,” Child said. “We looked at him, and all three of us gave them [a] positive, 100% positive ID that’s who we’d seen in the area just before the fire started.”
Child said he and the two teen witnesses positively identified the detained man during the field showup. Authorities later identified the man as Aaron Forrest Farinacci.
Smoke billows near a rural property outside Airway Heights, Washington, as an officer responds to the Old Trails Fire on Aug. 1, 2026. (Airway Heights Police Department)
The Aug. 1 field showup did not immediately lead to charges. Farinacci was released after the witnesses identified the detained man, then was arrested on charges two days later, on Aug. 3.
Child said he did not initially realize Farinacci had been released.
Paul Child, a witness who reported the arson suspect arrested for the Old Trails Fire, looks out near a wooded area sprayed with fire retardant at his home in Spokane, Wash., Tuesday, Aug. 4, 2026. (Lindsey Wasson / AP Images)
“I was like, well, thank God, because … I thought they had him detained the whole time. I didn’t realize they didn’t have probable cause to hold him for a couple days. … He could walk right back up that road,” Child said.
Heavy smoke blankets the Spokane area as firefighters battle several fast-moving wildfires that have forced thousands of evacuations and prompted a massive emergency response. (Spokane Valley Fire Department)
Farinacci is accused of starting the Old Trails Fire, one of three blazes that have burned across Spokane and Stevens counties since Aug. 1. The Old Trails, Fairview and Autumn Lane fires had burned a combined 10,002 acres and damaged or destroyed more than 920 structures, Spokane fire officials reported Monday.
Farinacci, who was initially held on $1 million bail, appeared in court Thursday, when a judge doubled his bail to $2 million. He also faces four additional arson charges after court documents alleged he admitted to setting 25 fires in the area since 2025.
Court documents reviewed by News Outlet allege Farinacci monitored weather apps to identify ideal fire conditions and built a delayed ignition device to start the Old Trails Fire.
A firefighter battles flames during the Old Trails Fire in Spokane, Washington. (City of Spokane, Facebook)
Although Farinacci initially denied involvement in the Old Trails Fire during questioning after his Aug. 3 arrest, court documents allege he later confessed to planning and setting the blaze. The documents say he planned the fire for two weeks.
Investigators allege Farinacci built a time-delay device from paper, matches, cigarettes and rubber bands modeled after one used by serial arsonist John Leonard Orr. Court documents also allege he deliberately set simultaneous fires at other times to distract and thin out emergency response crews.
As the wildfire spread, Child’s family gathered pets and belongings before evacuating their home.
A Moses Lake Fire Department firefighter works to extinguish hotspots at a home destroyed in the Old Trails Fire on Aug. 5, 2026, in Spokane, Washington. (Mario Tama/Getty Images)
“It was pretty chaotic,” Child said. “I forgot my medications. We forgot leashes for the dogs or dog food and all that stuff.”
Child said the flames came no closer than about a quarter-mile from his home, but he feared a shift in the wind could have sent the fast-moving fire toward his property within minutes.
Looking back, Child said he sees his decision to alert police as only one part of the response.
“I’m sorry I wasn’t able to stop him from doing what he did,” Child said, adding that he believes he played only a small part in the man being caught. “It was kind of like, well, good. At least he’s off the street.”
“I mean, he wasn’t going to stop,” Child added. “Fortunately, he didn’t kill anybody this time, but I imagine his luck on that was going to run out if he continued to set fires.”
