To more comprehensively assess concerning behavior, teams should organize their information gathering around themes such as bullying and harassment; mental health and substance abuse; concerning communications; stressors; recent downward progressions in behavior, mood, or social activity; home life factors (e.g., ACEs, present living situation); academic performance; school disciplinary history; inappropriate interest in concerning topics (e.g., past school attacks or mass attackers); weapons use and interest in violence; previous contact with law enforcement; social networks; recent losses or loss of status (e.g., shame, humiliation, loss of significant relationship); and motivation for behavior.
cite page 17 Best Practices for Behavioral Threat Assessment and Management