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Local usage details
Local usage details (LUD) are a detailed record of local calls made and received from a particular phone number.[1] These records are regularly available to police in the United States and Canada[2] with a court order, and were traditionally subject to the same restrictions as telephone tapping.
In the United States, 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 recordings). These terms normally apply to "raw call records" before they have been processed to apply locations and rates.
- ^ Elder, Jeff (April 25, 2003). "'Pull their LUDs'? TV cop Talk, 10-4". The Charlotte Observer. pp. 2A – via Newspapers.com.
- ^ Nettle, Joan (5 November 2004). "Information Please". Edmonton Journal. p. 27 – via Newspapers.com.
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