Seventeen people killed at Marjory Stoneman Douglas High School in Parkland, Florida; 12 shot to death at a bar hosting a student line-dancing night in Thousand Oaks, California; 11 killed when a man opened fire in the Tree of Life synagogue in Pittsburgh, Pennsylvania; four deaths at a Mercy Hospital and Medical Center in Chicago; three dead at a Madden ’19 video game competition in Jacksonville, Florida — and those are just a few of the shooting incidents from 2018. Hearing such news and participating in active shooter trainings in schools, workplaces and public venues have become part of everyday American life. But, rather than getting used to mass shootings, what can we do to stop them?