Catherine Crump : The police getting surveillance equipment and anti - terror weapons . Crump : Government gains power by using tracking , especially of cars . Catherine : It 's as if a cop with perfect memory was following you wherever you go . She says the police should know about monitoring and it should be justified .
Catherine Crump : U.S. police getting surveillance equipment and anti-terror weapons . Crump : Government amasses data by location tracking , especially of cars . Crump : It 's as if a cop with perfect memory was following you wherever you go . She says the public should know about monitoring and it should be justified .