States are increasingly using assassination to guard against the twin threats of terrorism and weapons of mass destruction.
In spite of a massive military effort the war against al-Shabaab has been effectively stalemated since 2016.
The drone probably used to kill Iranian general Qassem Soleimani doesn't take away all risks and responsibilities from military personnel.
It's very dangerous to assume that Iran will not escalate the crisis further, much less that the US could limit any violence that might ensue.
President Trump's Iran policy took a dramatic turn when the US killed Iran's top military commander in a drone strike. To avoid war, one foreign policy scholar says Trump has to reverse his stance.
Civilian casualty counts are a powerful tool for propaganda – and for establishing peace.
Drones are a tool to manage the threat of al-Shabaab, but there's no way they'll defeat the group entirely.
Interviews with civilian and military figures paint a complex picture of what went wrong with crucial peace negotiations.
Without a strategy or a legal case to legitimate the use of force, the US is endangering crucial alliances and civilian lives.
It hinges upon whether she was a member of IS, and what that means.
Ten months of data reveal some alarming trends.
If Trump becomes president, he'll inherit one of the US's most dangerous military tools.
Attempts to outlaw the practice have proven difficult, thanks to a tendency on the part of leaders to skirt around the rules.
Technology poses a challenge to how we treat suspects and police society.