Background Although global suicide mortality rates decreased by almost a third between 1990 and 2016 (1), suicide mortality in the United States has increased rapidly (2). Particularly high suicide mortality has been identified among American Indian or Alaska Native...
The toll from gun violence in American K-12 schools has escalated over the past 20 years. School administrators face pressure to prepare for possible active shootings, and often do so through drills, which can range from general lockdowns to simulations, involving...
