If convicted, 23-year-old Rio Mirabal could face five to 20 years in prison. Author: Mia Hunt Updated: 7:52 PM PDT May 6, 2021 SPOKANE, Wash. — A federal grand jury returned an indictment Thursday charging the suspect in the St. Charles Parish fire with arson. If convicted, 23-year-old Rio Mirabel could face five to 20 years in prison. Mirabal has two prior misdemeanor convictions not related to arson. He remains in the Spokane County Jail on $350,000 bond. The fire on Thursday, March 18 heavily damaged the administrative offices of the church on North Alberta Street and its attached school. It also forced the closure of the school and postponed Mass at the church. St. Charles students began remote learning on Monday, March 23, a spokesperson for the Catholic Diocese of Spokane said.