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Grey Dynamics

Episode 29: Arms Tracking, Drone Supply Chains and Blow Back with Jonah Leff

55 min • 31 mars 2023

Today I spoke with Jonah Leff, the director of operations at Conflict Armament Research (CAR). He has extensive experience investigating sanctions violations and advising policymakers on issues related to armed violence and conflict. We discussed the role of OSINT in his work, 3D printed guns, drones in Ukraine and much more.


You can find Jonah on:



We spoke about


  • Jonah’s background (1:11)
  • Why did it take governments so long to take an interest in arms tracking? (11:54)
  • What role does open source play in CAR's process? (15:39)
  • The tools they use (18:42)
  • 3D printed guns (21:43)
  • Nonpermissive countries and countries Jonah would like access to (24:41)
  • The use of drones in Ukraine (28:00)
  • What keeps Jonah up at night (32:33)
  • Dealing with PTSD / Trauma (38:38)
  • Advice for people that want to get into this line of work (42:38)
  • What Jonah does in his free time (46:09)
  • What countries Ahmed would like to work in (48:38)


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