Al Qaeda’s dispersal and the rise of regional terrorist groups such as al Shabab in Somalia have raised the stakes for defining an “organized armed group” (OAG). The law of armed conflict applies to violence between OAGs. If an entity fails the OAG test, a state may use only traditional...

Countries that spend scarce resources to import arms from abroad often require arms sellers to 'reinvest' part or all of the proceeds back into the arms-importing country. These so-called 'arms trade offsets' are therefore thought to enhance domestic economic development. But does this process...