![Silverback instructor Michael Wisner (center right in reflective vest) oversees local EMS crews treating 'patients' in the casualty collection point during Wednesday's school shooting drill.](https://hagadone.media.clients.ellingtoncms.com/img/photos/2022/08/04/Screen_Shot_2022-08-04_at_6.02.35_PM_t1170.png?5cc718665ab672dba93d511ab4c682bb370e5f86)
Silverback instructor Michael Wisner (center right in reflective vest) oversees local EMS crews treating 'patients' in the casualty collection point during Wednesday's school shooting drill.
August 4, 2022
Silverback instructor Michael Wisner (center right in reflective vest) oversees local EMS crews treating 'patients' in the casualty collection point during Wednesday's school shooting drill.
August 4, 2022