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Prosecuting Terrorism

Terrorism, race hate, crimes against humanity, war crimes, violent extremism, hijacking and espionage cases are tackled by a specialist team of Crown Prosecutors. The Counter Terrorism Division of the CPS includes highly experienced prosecutors, advocates and caseworkers who work closely with the police to bring offenders to justice.

Find out more about how we prosecute cases of terrorism.

Decision to Charge

Once the Police have completed their investigations, they will refer the case to the Crown Prosecution Service for advice on how to proceed. We will then make a decision on whether a suspect should be charged, and what that charge should be.

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The Role of The Crown Prosecution Service

The Crown Prosecution Service is the government department responsible for prosecuting criminal cases investigated by the police in England and Wales.

As the principal prosecuting authority in England and Wales, we are responsible for:

  • advising the police on cases for possible prosecution
  • reviewing cases submitted by the police
  • determining any charges in more serious or complex cases
  • preparing cases for court
  • presenting cases at court

Find out more about the role of the Crown Prosecution Service

Anjem Choudary and Mohammed Rahman convicted of inviting support for Daesh


Two men have been convicted of inviting support for a proscribed terrorist organisation following a trial at the Old Bailey.

Anjem Choudary and Mohammed Rahman were convicted after they were shown to have praised the declaration of a new Caliphate by Daesh leader Abu Bakr Al-Baghdadi in June 2014. The two men swore an oath of allegiance to the Caliphate and called on others to support it, including by travelling to Syria. 

By the time they gave their oath, Daesh (then more widely known as Islamic State) had been proscribed as a terrorist organisation by the former Home Secretary, Theresa May.

Both men went on to publish a series of videos on Youtube attempting to legitimise the Caliphate and inviting support for it. Evidence showed that Choudary had been encouraged to get this message out to his followers by, amongst others, Siddhartha Dhar, who later left the UK to fight with Daesh.

Sue Hemming, CPS Head of Counter Terrorism, said: "These two men knowingly sought to legitimise a terrorist organisation and encouraged others to support it. They used the power of social media to attempt to influence those who are susceptible to these types of messages, which might include the young or vulnerable.

"Both men were fully aware that Daesh is a proscribed terrorist group, the brutal activities they are carrying out and that what they were doing was illegal. Terrorism can have no place in our society and those that encourage others to join such organisations will be prosecuted."

They will be sentenced on 6 September at the Old Bailey.

Further information

Anjem Choudary and Mohammed Rahman were found guilty of one count each of inviting support for a proscribed organisation, contrary to section 12(1) of the Terrorism Act 2000. 


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