It must have a reasonable belief that a crime has been committed and evidence of probable cause that records or other evidence of the crime will be found at the location desired to be searched.

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And so, true to form, in July 1997, Reno's staff turned down the FBI's request for permission to search Lee's computer because the agents lacked the "probable cause" evidence required by law.

CNN: ASIANOW - TIME Asia | The Long Way Home

Critics also say it is unfair the US authorities need only to outline the alleged offence, and provide "evidence or information that would justify the issue of a warrant for arrest in the UK" whereas British police must provide the American courts with evidence of "probable cause" if it wishes to extradite someone.

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