Petraeus’ casualty methodology finally revealed.

Earlier this month, Government Accountability Office chief David Walker testified that he could not “get comfortable” with General David Petraeus’ methodology for determining sectarian violence. Petraeus’ methodology has remained unknown throughout his testimony to Congress and the pursuing debate on Iraq. But today, through a Freedom of Information Act request, TPMmuckraker’s Spencer Ackerman has finally brought it to light. Check out Spencer’s rundown here and the actual documents here.