Alana Marie Burke writes:
Under the pretext of protecting citizens against terrorism, numerous law enforcement agencies in California are secretly employing high-tech methods to collect the personal data of cellphone users. Not only can they access the cellphone data, they can also pinpoint the exact locations of cellphone consumers. These covert surveillance tactics involve a wide search net rather than the specific targeting of a suspect and would seem to be in direct conflict with the Fourth Amendment, which prohibits unreasonable searches without a warrant or probable cause.
Read more on Guardian Liberty Voice.