“It is important to note that most gun deaths in this country occur by suicide. In many, but not all such cases, warning signs are known and those close to the person at risk attempt to intervene. Too often they don’t have a tool for removing those firearms from the equation. ERPO provides that tool. Law enforcement in several ERPO states report that ERPOs are most commonly being used to prevent suicide. Early research suggests that ERPO laws are a promising strategy for preventing suicide.”