About: http://webisa.webdatacommons.org/236590391

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	National security letters are a mechanism provided for in the USA Patriot Act by which US law enforcement and intelligence agencies can secretly compel information from third parties.
http://www.w3.org/ns/prov#wasQuotedFrom	privacylawyer.ca