There seems to be a horrific trend as of late with school shootings. Unfortunately, many schools have had to reevaluate their security systems and have had to add protocols in the event of attackers on their premise. There has been some research as of late to strengthen school security by implementing some of these procedures.
Some schools have installed a camera-equipped doorbell. When you ring the doorbell, school employees inside, are immediately able to see you, both through a window and on a security camera. The person in charge of viewing the monitor may be able to determine the mood of that person by his/hers facial expressions. (more…)