A standard element of international humanitarian law since 1899 should guide countries as they consider banning lethal autonomous weapons systems.
What can international law do to help curb the use of a lethal, indiscriminate weapon?
As commander-in-chief, Trump will have a major impact in upholding the U.S. military's honor and ethics. A scholar at the U.S. Naval Academy considers if he is up to the task.
Machines that can target and kill people without human intervention or accountability pose a moral threat to the world.
The idea that the use of force should be a last resort is at the core of the world's security balance – and it's being trashed.
Bombing a hospital and killing doctors and wounded or sick persons may seem to be an obvious war crime. But the reality of both the law and the facts is significantly more complicated.