: The 3DM Wikipedia entry provides a solid overview of their leadership and the 2016 hiatus.
: The MPhil Thesis on Digital Rights Management discusses 3DM’s specific explanations of Denuvo's "box-key" mechanism.
: Research the lawsuit by Koei Tecmo that eventually forced 3DM to cease cracking activities.
: 3DM claimed to stop cracking for a year in 2016 to "measure the impact on legitimate game sales".