1. Consolidated version of the Treaty on the Functioning of the European Union. OJ C 326, 26.10.2012, pp. 47–390. https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:12012E/TXT:en:PDF
2. De Hert P, Papakonstantinou V (2016) The new police and criminal justice data protection directive: a first analysis. New J Eur Criminal Law 7:7–19
3. Directive (EU) 2016/680 of the European Parliament and of the council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data by competent authorities for the purposes of the prevention, investigation, detection or prosecution of criminal offences or the execution of criminal penalties, and on the free movement of such data, and repealing Council Framework Decision 2008/977/JHA
4. Directive (EU) 2014/41/EU of the European Parliament and of the council of 3 April 2014 regarding the European investigation order in criminal matters
5. European Data Protection Supervisor (2016) Opinion on coherent enforcement of fundamental rights in the age of big data. https://edps.europa.eu/sites/edp/files/publication/16-09-23_bigdata_opinion_en.pdf. Accessed 12 Oct 2019