@mjb:
A helo patrols over the national mall
@mjb:
@mjb:
Security camera mounted atop World Bank headquarters
@mjb:
Washington, D.C. Metropolitan Police Department Helicopter over 18th Street NW
@mjb:
U.S. Marshall
@mjb:
Camera in Metro Center
@mjb:
Working on cameras at the National Archives
@mjb:
Working on cameras at the National Archives
@mjb:
@mjb:
Keeping watch at the White House
@mjb:
@mjb:
"Security"
@mjb:
@mjb:
@mjb:
@mjb:
@mjb:
@mjb:
Transit Alert
@mjb:
@mjb:
The National Security Agency
@mjb:
@mjb:
@mjb:
@mjb:
@mjb:
@mjb:
@mjb:
@mjb:
@mjb: