LUD
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'''LUD''' ('''L'''ocal '''U'''sage '''D'''etails) is a detailed record of local calls made and received from a particular phone number. These records are regularly available to [[police]] in the [[United States]] with a [[court order]], and were traditionally subject to the same restrictions as [[telephone tapping]].
LUDs may be legally used by the police without first obtaining a warrant, as determined by [[Smith v. Maryland]] (1979).
Other terms for call records include CDR (Call Detail Records) or SMDR (Station Message Detail Recording). These terms normally apply to "raw call records" before they have been processed to apply locations and rates.
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[[Category:Law enforcement in the United States]]