A note about the UK Arms project: This article forms part of a series of investigations that will look at UK arms exports. It has been produced by Bellingcat, Lighthouse Reports and their media partners, Sky News and The Guardian. Investigators involved were Leone Hadavi, Benjamin Strick, Annique Mossou, Pieter van Huis, Eric Woods, Ross Higgins and Ludo Hekman. Part one, featured here, will look at sniper rifles sold by a UK arms company. Part two will focus on equipment used by US police at recent Black Lives Matter protests, while part three will explore the sale of recoilless rifles used by Saudi Arabia in the ongoing Yemen conflict.