It originated in 1883 as the Irish Bureau, or Special Irish Branch as it became known, formed in 1883 at New Scotland Yard by the then Home Secretary, Sir William Harcourt. It consisted of just 12 detectives aiming to defeat the "Fenian" terrorist campaign that had been ongoing in London and across the country. By November 2013, the form of the CTC had grown to comprise 1,790 staff including 1,350 police officers and 600 detectives working in 75 specialist units with the capability to respond proactively or reactively anywhere in the world.
Responsibilities
According to the CTC's website,[1] the Command's overriding priority is to keep the public safe and to disrupt terrorist-related activity in the United Kingdom and against UK interests overseas by:
detecting, investigating, and preventing terrorist threats and networks;
working with partner agencies to acquire and use intelligence and evidence about terrorism and extremism;
ensuring that the CTC's activity is focused, delivering value for money, productivity and an efficient and effective use of our resources;
engaging, building and maintaining working relationships with boroughs, local communities, and national and international partners to understand better their needs and to use their expertise and experience in jointly combating the terrorist threat;
working with communities, partners, institutions, groups and other agencies providing advice and support to tackle the ideologies that drive terrorism and extremism; and
supporting, working and collaborating within the Counter Terrorism Policing network.
The CTC has a number of other national security functions. It deals with sensitive national security investigations, such as Official Secrets Act enquiries; and the investigation of war crimes (in effect making it the successor to the Met's War Crimes Unit), crimes against humanity, and politically motivated murders.[1]
The CTC is part of the Counter Terrorism Policing network. [2][3] It is overseen by the counter-terrorism coordination committee, chaired by Assistant Commissioner Laurence Taylor of the Metropolitan Police Service.[2] As part of its role in the Counter Terrorism Policing network, the CTC operates against the threat of terrorism at a local, national and international level, and engages with a range of partners, including the Security Service (MI5) and Secret Intelligence Service (MI6), to prevent terrorist-related activity.[1]
Known operations
In its present form, the CTC has been responsible for investigating several high-profile terrorist incidents, including:
Through the International Operations branch of the CTC, it has deployed officers around the world in response to terrorist incidents in support of host countries and to investigate when British nationals are the victims of acts of terrorism. Such investigations include:
the kidnap of Judith Tebbutt and the murder of David Tebbutt in Kenya (2012);
As of December 2025,[5] those directly in charge of Counter Terrorism are Commanders Dom Murphy and James Harman, who ultimately report to Assistant Commissioner Laurence Taylor.
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