From 11 September 2001 to 31 March 2007 1,228 arrests were made:
1,165 arrests under the Terrorism Act 2000;
63 arrests under legislation other than the Terrorism Act, where the investigation was conducted as a terrorist investigation.
Of the total 1228 arrested:
132 charged with terrorism legislation offences only;
109 charged with terrorism legislation offences and other criminal offences;
195 charged under other legislation including murder, grievous bodily harm, firearms, explosives offences, fraud, false documents;
76 handed over to immigration authorities;
15 on police bail awaiting charging decisions;
1 warrant issued for arrest;
1 dealt with under youth offending procedures;
11 dealt with under mental health legislation;
4 transferred to Police Service of Northern Ireland custody;
2 remanded in custody awaiting extradition proceedings;
669 released without charge;
1 awaiting further investigation.
Of those charged:
41 were convicted under Terrorism legislation;
183 convicted under other legislation: murder and explosives offences (including conspiracies), grievous bodily harm, firearms offences, fraud, false documents offences, etc (this includes the 12 cautions detailed above);
114 at or awaiting trial.
The Home Office, Ministry of Justice and Attorney-General's Office are currently working with the National Coordinator for Terrorist Investigations to improve the quality of data relating to those arrested, charged, convicted and imprisoned under terrorist legislation and under other legislation but considered terrorist related. As soon as this is complete a Statistical Bulletin covering this information will be published by the Home Office. The bulletin will provide a breakdown of charges and convictions of terrorism related offences.