It is a myth that 'getting one over on the system' is a victimless crime: the truth is we all pay the price.
It is vital that we take a tough stance on this type of fraud and I am determined to see a clampdown on those who flout the system.
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Tributes are being paid to two young men from Plymouth who died after apparently taking white heroin by mistake in Amsterdam.
One might argue that David Cameron has just given a speech about a problem that doesn't exist and it is definitely one he can't change.
The complex mix of marketing, merchandising and psychology that sees shoppers parting with £360,000 a minute in the UK's shops.