The Chicago Transit Agency has begun replacing hundreds of contract security guards with full- and part-time CTA customer-service employees.

Metal detectors for spectators will be installed along the entire marathon course at the world athletics championships in August .

Colorado lawmakers have approved a school safety bill that increases the role of school resource officers (SROs).

Sen. Fred Risser, D-Madison, began circulating a bill that would ban people from carrying guns at the state Capitol.

Grammy weekend 2013: The city of Los Angeles was on edge. Police had LA’s downtown area in a near security lockdown.

Laboratories at the Centers for Disease Control and Prevention have been repeatedly cited in private government audits for failing to properly secure bioterror agents.

It’s a balancing act. It’s always been. But today, it takes more understanding and sensitivity, more training and supervision.

The San Francisco 49ers play the Baltimore Ravens this weekend in New Orleans for Super Bowl XLVII, and the city’s police force is counting on support from law enforcement agencies to help secure the sport’s biggest game. Like winning the big game itself, keeping the peace during the Super Bowl will be a team effort.

More than 400 elementary school campuses will receive a minimum of two new campus aides through the new $4.2 million program.

Fontana Unified School District's school police officers will now check out a semiautomatic rifle each morning to bring with them on their patrols from school to school.