11. Monitoring of social media
Though there are many challenges to this approach, there are sometimes opportunities to detect indications of impending danger via troubling social media posts. One school system likely averted a shooting when officers from the district’s school police department special operations unit confronted a former student who was posting frightening step-by-step plans for a hypothetical attack on his former high school. Considerable efforts are being made to develop effective and practical software solutions in this area.