David M. Cullen is President/CEO, ISI - Intelligence Security International, Inc., Burlington, Massachusetts.. His security practice includes program assessment; threat, risk and vulnerability analysis and mitigation strategies; security engineering design; and strategic security planning services throughout North America and elsewhere.
As school shootings continue to plague American communities, both large and small, school administrators and security experts need to look at the issue of minimizing risk from multiple angles. One of the most important issues is how to help or enable local law enforcement to respond as quickly as possible. This is the purpose of duress alarm systems, more commonly known as panic alarms.
