| http://www.w3.org/ns/prov#value | - nce again the consciousness that there is a reason, there is a need for the extra security that they encounter. >> reporter: since 9/11, there is been a dramatic increase in the use of security cameras. today an influential republican called for even more. >> being out on the street, there is not an expectation of privacy. >> reporter: at the lapd intelligence nerve center, the police chief insisted
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