A teacher and coach at Columbine who was the only non-student to die in the attack. After shepherding students to safety, Dave was shot and sustained horrific injuries to two major arteries, resulting in a major loss of blood over the several hours during which the police refused to breach the Columbine perimeter. Dave’s death, moments after the first SWAT teams to breach the perimeter arrived, became a hot-button issue after the attack—his family, like many families whose children succumbed to their injuries inside the school, believed that the sheriff’s department mishandled their response to the shooting.