Simpson was Accused of possessing Class A drugs in Glasgow in June 2006. He was arrested on 7 July 2007 in RAF Northolt, Middlesex, which put the band's headlining set the next day (at T in the Park) in jeopardy.
Simpson faced accusations of drug possession in Glasgow in June 2006 and was arrested on July 7, 2007, at RAF Northolt, Middlesex, which jeopardized the band's performance at T in the Park the next day.