Thomas McKenna, 60, operated the criminal business from a caravan at the site. But insiders warn he is not the only undesirable to have set up there.
10hon MSN
'We need to start killing them': Chilling messages from underworld armourer who wanted 'race war'
Thomas McKenna was sentenced to 16 years after a huge police raid uncovered he was operating an illegal weapons workshop at Britain's largest traveller camp.
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