Campus Safety Magazine

School Public Address Systems Are Critical During an Active Lethal Threat Event

I’ve learned a lot about school public address systems during years of trial and error conducting lockdown drills around the country and providing K-12 clients with ...
The Boston Globe

‘It’s so scary,’ said passenger hearing someone take control of public address system on Red Line

When Kate Darling boarded a Red Line train at Park Street early Wednesday afternoon when she and other passengers in the crowded car started hearing shouts coming over the public address system — from ...