The Brief Aaron Farinacci, the man accused of starting Spokane's devastating Old Trails Fire, appeared in court Tuesday on a first-degree arson charge. Aaron Forrest Farinacci, 37, faces a first-degree arson charge and currently sits in Spokane County Jail on $1 million bail. Aaron Forrest Farinacci, the man accused of starting the Old Trails Fire in Spokane, is arrested on Monday, Aug. 3. What we don't know:Court documents do not explain a motive for why Farinacci started the Old Trails Fire. The Old Trails Fire has burned around 3,200 acres and destroyed more than 400 structures by Sunday.