HMRC are an intelligence-led, risk-based organization and deploy their resources accordingly. The price of drugs is factored into the Home Office overarching strategy to which HMRC contributes. Price in itself is one factor in the way we design our border control regime.
Changes in the price of class ‘A’ drugs in the UK are due to a number of factors, for example availability, purity, level of use and social trends. To attempt to isolate an individual factor would not produce an accurate reflection of the reasons behind a change in drugs prices.