We track important developments in homeland security policies and programs in the United States National Guard, the Federal Emergency Management Agency, the United States Coast Guard, U.S. Customs and Border Protection, U.S. Immigration and Customs Enforcement, United States Citizenship and Immigration Services, the United States Secret Service, the Transportation Security Administration, and Civil Air Patrol.

CENTERFORSECURITYPOLICY: Homeland Security

The AFGE represents 12, 000 of the TSA's nearly 40, 000 transportation security officers in many personnel matters, while also overseeing the broader collective bargaining of nearly 40, 000 other government employees at the Department of Homeland Security, including the Coast Guard, Immigrations and Customs Enforcement and the Federal Emergency Management Agency.

CNN: STORY HIGHLIGHTS

Troops from the Massachusetts National Guard, already at the site as part of the marathon's security and crowd-management plan, were assisting police as well.

CNN: SHARE THIS