A federal appeals court is hearing argument over whether the government should have to obtain a warrant before using GPS tracking. The American Civil Liberties Union (ACLU) is in court to argue against warrantless GPS tracking. The case is US v. Katzin. As ACLU staff attorney Catherine Crump describes: In 2010, hoping to confirm their suspicion [...]

The American Civil Liberties Union (ACLU) has received what it considers to be two key memos, which indicate how the Justice Department views when it can and cannot legally track Americans with GPS tracking devices. The memos requested after the ACLU sued the department in a Freedom of Information Act (FOIA) request are both heavily [...]