| http://www.w3.org/ns/prov#value | - Under FISA, a particular case of surveillance may be approved only upon a showing of probable cause to believe (i) that the target of the electronic surveillance is a foreign power or an agent of a foreign power, and (ii) that each of the facilities or places at which the electronic surveillance is directed is being used, or is about to be used, by a foreign power or an agent of a foreign power. 5
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