(Leesburg VA) - Loudoun Co. Sheriff Mike Chapman is the 1st in Northern Virginia to sign an ICE agreeement. Immigrant adocates don't like it - demonstrators Thursday at his office in Leesburg.....Preview: The sheriff says the agreement will improve public safety. But protestor and county supervisor Julie Briskman tells News-4....Preview: The agreement gives federal agents more time to pick up people from the sheriff who have detainers.