MI5/T Branch

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Group.png MI5/T Branch
(Counter-terrorism)Rdf-entity.pngRdf-icon.png
Formation1990
Parent organizationMI5
LeaderMI5/T_Branch/Director
Typeintelligence agency
SubpageMI5/T Branch/Director

T Branch of MI5 focuses mainly on Irish "counter-terrorism",[1] but is also responsible for other forms of domestic "terrorism".[2]

Organisation

Directors

Sections

T1

Prepared the case for the transfer of responsibility for republican terrorism from Metropolitan Police Special Branch in 1991.[5]

T2

Responsible for Irish Terrorism in Great Britain.[6]

  • Eliza Manningham-Buller - First head of T2[7] 1992-93[8]
  • T2A: Republican and loyalist terrorism in Great Britain.
  • T2A/11 David Shayler, August 1992-October 1994.[9]
  • T2B: Liaison with local Special Branches and agent runners responsible for investigating Irish terrorism in Great Britain.
  • T2C: Threat assessment for Irish terrorist groups.
  • T2D: Researches Irish terrorist groups.
  • T2E: Liaises with Metropolitan Police Special Branch, based at Scotland Yard.[10]

T5

T8

  • T8: T Branch agent-runners, includes a Northern Ireland-based section.[13] Previously known as F8.[14]

Other T Branch officers


References

  1. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.772.
  2. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, pp.863-864.
  3. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.775.
  4. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.786.
  5. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.773.
  6. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.776.
  7. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.776.
  8. Mark Hollingsworth and Nick Fielding, Defending the Realm: Inside MI5 and the War on Terrorism, André Deutsch, 1993, p.290.
  9. Bloody Sunday Inquiry Reports: Week 90, 6-9 May 2003, British Irish Rights Watch, accessed 7 November 2009.
  10. Mark Hollingsworth and Nick Fielding, Defending the Realm: Inside MI5 and The War on Terrorism, André Deutsch, 2003, pp.320-321.
  11. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.772.
  12. Bloody Sunday Inquiry Reports: Week 90, 6-9 May 2003, British Irish Rights Watch, accessed 7 November 2009.
  13. Mark Hollingsworth and Nick Fielding, Defending the Realm: Inside MI5 and The War on Terrorism, André Deutsch, 2003, pp.320-321.
  14. Bloody Sunday Inquiry Reports: Week 90, 6-9 May 2003, British Irish Rights Watch, accessed 7 November 2009.
  15. Mark Hollingsworth, Second MI5 officer attacks security service, The Guardian, 22 July 2000.
  16. Mark Hollingsworth and Nick Fielding, Defending the Realm: Inside MI5 and the War on Terrorism, André Deutsch, 1993, p.145.