Operation Crevice

Operation Crevice was a major counter-terrorism operation conducted by the Metropolitan Police Service and MI5 in the United Kingdom. The operation was aimed at disrupting a terrorist plot to carry out a large-scale attack in the UK, and it involved the arrest and prosecution of several individuals linked to the plot, including Abdullah Ahmed Ali, Assad Sarwar, and Tanveer Hussain. The operation was part of a broader effort by the UK authorities to combat terrorism and prevent attacks, and it was supported by international partners, including the Federal Bureau of Investigation and the Central Intelligence Agency. The operation also involved cooperation with other UK agencies, such as the Security Service and the National Crime Agency.

Background

The background to Operation Crevice lies in the global War on Terror launched by the United States and its allies, including the United Kingdom, in response to the September 11 attacks carried out by Al-Qaeda in 2001. The UK authorities were concerned about the threat posed by Islamic extremism and the potential for attacks on British soil, and they launched a number of operations to disrupt terrorist plots and arrest suspects, including Operation Crevice. The operation was also influenced by the Bali bombings carried out by Jemaah Islamiyah in 2002, which highlighted the threat posed by Islamic terrorism in Southeast Asia. The UK authorities worked closely with international partners, including the Australian Security Intelligence Organisation and the Indonesian National Police, to share intelligence and coordinate efforts to combat terrorism.

Investigation and Arrests

The investigation into the plot that led to Operation Crevice was launched in 2004, and it involved a range of techniques, including surveillance, wiretapping, and intelligence gathering. The investigation was led by the Metropolitan Police Service and MI5, and it involved cooperation with other UK agencies, such as the Security Service and the National Crime Agency. The investigation also involved international cooperation, including with the Federal Bureau of Investigation and the Central Intelligence Agency, as well as with other countries, such as Pakistan and Bangladesh. The arrests were carried out in March 2004, and they involved the detention of several individuals, including Abdullah Ahmed Ali, Assad Sarwar, and Tanveer Hussain, who were later charged with terrorism-related offenses. The investigation and arrests were also supported by the UK Border Agency and the Crown Prosecution Service.

Trial and Convictions

The trial of the individuals arrested during Operation Crevice took place in 2007, and it was one of the largest and most complex terrorism trials in UK history. The trial involved the prosecution of seven individuals, including Abdullah Ahmed Ali, Assad Sarwar, and Tanveer Hussain, who were charged with conspiracy to commit murder and other terrorism-related offenses. The prosecution was led by the Crown Prosecution Service, and it involved the presentation of a large amount of evidence, including intelligence gathered during the investigation and testimony from witnesses. The trial resulted in the conviction of all seven defendants, who were sentenced to lengthy prison terms, including life imprisonment for some of the defendants. The trial was also notable for the use of secret evidence and the imposition of reporting restrictions to protect national security and the intelligence gathering process.

Impact and Aftermath

The impact of Operation Crevice was significant, as it disrupted a major terrorist plot and prevented a potentially devastating attack in the UK. The operation also highlighted the importance of international cooperation in combating terrorism, and it led to increased cooperation between the UK and other countries, including the United States, Australia, and Pakistan. The operation also led to changes in the UK's counter-terrorism laws and policies, including the introduction of new terrorism-related offenses and the expansion of powers for the security services. The operation was also praised by Gordon Brown, the then-Chancellor of the Exchequer, and John Reid, the then-Home Secretary, who highlighted the importance of the operation in protecting national security.

Related Events

Operation Crevice was part of a broader series of counter-terrorism operations conducted by the UK authorities, including Operation Overt and Operation Pathway. The operation was also linked to other terrorist plots and attacks, including the 7 July 2005 London bombings carried out by Al-Qaeda in Iraq and the 2006 transatlantic aircraft plot foiled by the Metropolitan Police Service and MI5. The operation also involved cooperation with other countries, including Canada and Germany, and it was influenced by international events, including the Iraq War and the War in Afghanistan. The operation was also notable for the use of intelligence gathered from Guantanamo Bay detention camp and the CIA's extraordinary rendition program.