Drug boss Leon Cullen tells judge 'no problem' as he gets 22 and a half years One of the UK's most wanted men had fled to Dubai and hid for two years Updated Drug and gun trafficker Leon Cullen (Image: Cheshire Police) One of the UK's most wanted men Leon Cullen was today finally put behind bars for spearheading a major gun and cocaine network - one of the most notorious in the northwest in recent history. The 33-year-old fled abroad when he became aware police were about to strike and hid undetected for two years before he was finally captured in Dubai.