<p><strong>How do we prevent the next school shooting? By knowing the warning signs.</strong></p><p><br></p><p>Dr. Langman's timely book presents practical research-based guidance on anticipating and preventing mass attacks. <em>Warning Signs</em> is for all members of a school community including school personnel mental health professionals law enforcement officers parents and students. Drawing on lessons learned from dozens of thwarted plots and deadly attacks <em>Warning Signs</em> provides the insight necessary to keep schools safe.</p>