Trump Blasts 'Coward' Sheriff's Deputy Who Failed to Stop Florida Shooter Scot Peterson, a school resource officer from the Broward County Sheriff’s office, stepped down Thursday. The sheriff said Peterson “clearly” knew a shooter was in the building. Nikolas Cruz, 19, fatally shot 17 people on Feb. 14 at Marjory Stoneman Douglas High School in the Parkland section of Miami, Florida.
