
https://www.g20.org/Content/DE/_Anlagen/G7_G20/2017-g20-statement-antiterror-en.pdf?__blob=publicationFile&v=2

https://rusi.org/sites/default/files/20181107_newsbrief_vol38_no10_chalmers_and_stefanovich_web.pdf

http://www.nationalcrimeagency.gov.uk/publications/european-arrest-warrant-statistics