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That the alleged conduct falls within the statutory definition of terrorism

Intent to support, prepare for, or encourage terrorist activity

Knowledge or recklessness regarding the terrorist purpose



Relevant Legislation:

  • Terrorism Act 2000

  • Terrorism Act 2006

  • Counter-Terrorism and Border Security Act 2019

Maximum Penalties:

  • Lengthy custodial sentences, including life imprisonment for the most serious offences

Key Legal Definitions:

  • Terrorism: action designed to influence the government or intimidate the public for ideological purposes

  • Preparation: conduct intended to assist in carrying out terrorist acts

The Law

Terrorism

Terrorism offences involve allegations of preparing, supporting, encouraging, or participating in acts intended to influence the government or intimidate the public for ideological, political, or religious purposes.
These cases often arise from intelligence-led investigations and can involve significant police powers. Early legal advice is critical due to the seriousness of the allegations and the complexity of the law.

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What the Prosecution Must Prove

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How We Defend These Cases
  • Immediate advice and representation during arrest and questioning

  • Careful scrutiny of surveillance and digital evidence

  • Strategic challenge to prosecution case theory

  • Instruction of specialist experts where appropriate

  • Experienced representation in Crown Court terrorism proceedings

Common Evidence Used in These Cases
  • Digital evidence including phone downloads, online activity, and encrypted communications

  • Surveillance material and intelligence-based evidence

  • Forensic computer analysis

  • Statements from specialist counter-terrorism officers

Common Problems in Prosecution Cases
  • Over-reliance on intelligence rather than admissible evidence

  • Disclosure failures under CPIA

  • Misinterpretation of online content or communications

  • Breaches of statutory powers during arrest or detention

  • Abuse of process arguments

Potential Defences
  • Lack of intent or terrorist purpose

  • Innocent explanation for online or digital activity

  • Unlawful surveillance or procedural breaches

  • Insufficient or circumstantial evidence

  • Challenges to expert interpretation of digital material

Sentencing and Possible Outcomes
  • Sentences depend on the nature and seriousness of the offence

  • Aggravating factors include planning, sophistication, and harm risk

  • Mitigating factors may include limited involvement or early cooperation

  • Long-term consequences beyond sentencing, including restrictions and monitoring

Why Choose ASL


We are committed to delivering consistently strong results rooted in legal expertise and proven advocacy.

Experience

Our solicitors and advocates have extensive experience in Criminal Defence, Family Law, Road Traffic Offences, Immigration, and Civil Litigation.

Success Rate

We are proud of our strong record in achieving favourable outcomes in complex & high-stakes cases, from serious criminal allegations to sensitive family matters.

Client Care Standards

Your case is handled with dignity, respect, and complete confidentiality. We provide:

  • Clear communication without legal jargon

  • Regular case updates and guidance

  • Support through every stage of the legal process

Fast, confidential support when you need it most.

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