<p>A task force of federal agents has ratcheted up a two-year-old antiterrorism investigation aimed at several Virginia-based Islamic charities suspected of diverting millions of dollars to terror network al Qaeda and other militant radicals.</p>
<p>Led by agents of the Bureau of Immigration and Customs Enforcement (ICE), the Internal Revenue Service and the FBI, the task-force probe has targeted a number of people tied to several private companies and interrelated Islamic charities operating out of business fronts in Herndon and Falls Church.</p>