https://www.aicgs.org/publication/refugees-terrorism-and-a-failing-security-architecture/
https://blogs.lse.ac.uk/brexit/2021/02/26/future-british-european-security-relations-are-a-matter-of-trust/
http://hmics.org/sites/default/files/publications/HMICS20170621PUB.pdf
https://www.atlanticcouncil.org/wp-content/uploads/2020/09/Why_the_US-Italy_Relationship_Matters.pdf