DNA evidence with a low likelihood ratio (here, 26 to 1) is not necessarily inadmissible under s 137 of the Evidence Act 2008; its probative value must be assessed as part of the whole circumstantial case, and a low ratio may be well within a jury's capacity to evaluate without overvaluation. The 'preparation' form of trafficking under s 70(a) of the DPCS Act is confined to preparation of a drug of dependence for trafficking in that same drug — it does not extend to preparing drug A for the manufacture of drug B. A request for a suspect's name and address before administering a caution does not constitute 'questioning' for the purposes of s 139(1) of the Evidence Act 2008, read with s 464A(3) of the Crimes Act 1958.
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