Graettinger, IA (Northwestiowanow.com) — A 17-year-old was arrested last Monday for allegedly making threats toward students and staff at the Graettinger High School. The complaint came in after school on October 20th. Around 10pm the Palo Alto County Sheriff’s department apprehended the subject and charged him – or her – with Threats of Terrorism – a class D felony. He – or she – was released to the custody of a parent.