[10] In 2006, he joined the BNP as part of an undercover investigation, and ended up being appointed central London organiser for the party, a position he swiftly resigned.
[13][14][15][16][17] David Hare described it as "one of the most shocking and persuasive books of the year", Peter Oborne in The Spectator said, "Carefully researched and well-written… [Cobain] should be congratulated for addressing a subject which much of the rest of Fleet Street has been determined to ignore",[18] and the Sunday Times identified it as a "must-read" and declared it, "a fine study of the role Britain has played in the business of torture".
[20] Also in 2012, Cobain investigated allegations of collusion between Northern Irish police and Loyalist paramilitary gunmen who had shot dead six men in a bar in the village of Loughinisland in 1994.
A subsequent report by the Police Ombudsman for Northern Ireland, Al Hutchinson, confirmed the findings of Cobain.
In 2014, Cobain drew upon contemporary police records, witness statements and pathologists' reports to reconstruct the events of the Ballymurphy shootings in west Belfast in August 1971.