Issue Sep 01, 2020 Up Close: Forensic Architecture By HG Masters FORENSIC ARCHITECTURE, The Killing of Mark Duggan, 2020, still from video investigation: 23 min 15 sec. According to the biomechanics experts, to travel that far, the gun would have to be thrown at 6.7m/s, at an angle of around 31-40 degrees. All images copyright and courtesy the artists.