11.07.2012 - 07:34 [ Ed Markey, Abgeordneter des US-Repräsentantenhauses ]

Letters to mobile carriers regarding use of cell phone tracking by law enforcement

Letter to AT&T

Response from AT&T

Letter to C Spire

Response from C Spire

Letter to Leap and Crickets

Response from Leap and Cricket

Letter to MetroPCS

Response from MetroPCS

Letter to Sprint

Response from Sprint

Letter to T-Mobile

Response from T-Mobile

Letter to TracFone

Response from TracFone

Letter to U.S. Cellular

Response from U.S. Cellular

Letter to Verizon

Response from Verizon