Montgomery County (Md.) Police Chief J. Thomas Manger, right, with Frederick County (Md.) Sheriff Chuck Jenkins, and Government Accountability Office’s Homeland Security and Justice Issues Director Richard Stana, testify on Capitol Hill, Wednesday, March 4, 2009, in Washington. (AP Photo)

Dozens of state and local agencies have partnered with Immigration and Customs Enforcement to carry out immigration laws, the domain of the federal government. But ICE, a Homeland Security agency, has not clearly explained that serious criminal offenders, such as drug smugglers, are the target, the Government Accountability Office said in a report obtained by The Associated Press.[policeone.com]