DUNSMUIR, Calif. — Updated: June 5, 2026 at 6:00 p.m. The Siskiyou County Sheriff's Office has issued a statement regarding the investigation into marijuana exposure incident at Dunsmuir Elementary School. According to the Siskiyou County Sheriff's Office, school officials reported on June 2 that a teacher left cookies out in a common area of a classroom during a morning break on June 1. Later that day, the same teacher and several students fell ill and were taken to the hospital for evaluation.