I am an London-based freelance researcher, specialised in all things security, particularly counterterrorism and weapons technology, as well as snazzy data visualisations on a wide range of topics.

If you would like me to help you out with a project, please contact me via:


LinkedIn, or


You can take a look at my CV here.

Copyright © Sarah Leo 2016. All of the articles and photographs herin, unless otherwise noted, are copyrighted by Sarah Leo. No part of this site, or any of the content contained herin, may be used or reproduced in any matter whatsoever without express permission of the copyright holder. If you think any materials on this website infringe your rights, please contact me at and I will look into it as soon as possible.