Camden County Officials Deploy New Protocols For Emergency Responses To SchoolsThe four-tier approach starts with the lowest level called a "lockout," going next to "shelter in place," to "room clear," to the highest level - a "lockdown."
Pennsylvania's 911 System Needs Upgrades, New TechnologyPennsylvania's various 9-1-1 systems are in need of renewal and there's a lot more to it than just finding the money for upgrades.

More From CBS Philly

Regis To Lead Ocean City Parade
Kate And Katie
Getaway Guide To Mountain Tubing

Listen Live