Eric Lichtblau, one of the reporting team who exposed President Bush’s warrantless surveillance program, takes a look at its aftermath; with telecoms receiving immunity, police departments feel no compunction against tracking people by their cell phone . Law enforcement tracking of cellphones, once the province mainly of federal agents, has become a powerful and widely used surveillance tool for local police officials, with hundreds of departments, large and small, often using it aggressively with little or no court oversight, documents show
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Pervasive Cell Phone Tracking Performed Even By Local Law Enforcement