school shootings

BYU senior Makenna Olsen said she's had nightmares about school shootings.

Students at Seminole Middle School in Plantation, Fla., participate in a moment of silence Thursday, Feb. 14, for the 14 students and three staff members killed one year ago at nearby Marjory Stoneman Douglas High School. They are sitting in front of a new mural depicting musicians from throughout the world that was dedicated to the shooting victims. (AP Photo/Terry Spencer)

In this March 28, 2018, photo, Dr. Richard Sidwell, right, talks with Mary Owens, center, and Samantha Wing during a medical training session for teachers and staff at Southeast Polk High School in Pleasant Hill, Iowa. With school shootings a regular occurrence, educators across the country are learning techniques to help victims survive by stemming blood loss. A Connecticut doctor helped launch the effort, dubbed Stop the Bleed. The nonprofit program has spread to all 50 states, with more than 125,000 teachers, counselors and school administrators learning skills. (AP Photo/Charlie Neibergall)

https://youtu.be/8Pn0y04nWcY