He also said the location of the crime - abroad or in the UK - would determine who investigated.

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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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"This database will be fine-tuned by the government and local prosecution services to determine in which cases the non-localisation is related to crime, as well as cases of migration, re-location for family reasons, natural disasters or others, " she said.

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