Comments, jokes, or threats about violent plans | • Angry outbursts or physical aggression • Repeated or detailed fantasies about violence | • Increasingly troublesome interactions with others • Comments about hurting themselves or others | • Obsessive interest in prior attackers or attacks • Creating a document, video, suicide note, or other item to explain or claim credit for future violence | • Bizarre or unexpected change in appearance, including dress or hygiene • Seeing violence as a way to solve their problems • Unusual difficulty coping with stress • Reduced interest in hobbies and other activities • Worsening performance at school or work • Increasing isolation from family, friends, or others • Asking questions about or testing security at a possible target • Changing vocabulary, style of speech, or how they act in a way that reflects a hardened point of view or new sense of purpose associated with violent extremist causes, particularly after a catalyzing event
cite page 74 Appendix IV: Prevent Mass Violence and Behavior Indicators
