Real name Anthony John Hill, he was acquitted of perverting the course of justice after sending his DVD "7/7 Ripple Effect" to the trial judge and jury foreman of a case involving Waheed Ali, 25, Sadeer Saleem, 28, and Mohammed Shakil, 32. They were being tried at Kingston Crown Court, England, wrongfully accused of helping the four accused individuals of the London 7/7/2005 bombings.
Video for this story here: http://news.bbc.co.uk/2/hi/uk_news/8124540.stm
The author of an internet conspiracy movie about the 7/7 bombings in London was tracked down to a small town in Ireland by the BBC Two series, The Conspiracy Files.
John Hill, also known as Muad Dib, is the author of "7/7 Ripple Effect".
He has since been arrested and is facing extradition to the UK on a charge of perverting the course of justice.
You can watch the full story - The Conspiracy Files 7/7 - on Tuesday, 30 June, 2009 at 2100 BST on BBC Two or catch-up afterwards on iPlayer
Related: The Conspiracy Files: 7/7