Original sentence: Methods used have included firing a Hellfire missile from a Predator or Reaper drone (an unmanned, remote-controlled plane), detonating a cell phone bomb, and long-range sniper shooting.Targeted killing has been used by governments around the world, and has become a frequent tactic of the United States and Israel.The tactic raises complex questions as to the legal basis for its application, who qualifies as an appropriate "hit list" target, and what circumstances must exist before the tactic may be employed
Edited sentence: Methods used have included firing a five-foot-long Hellfire missile from a Predator or Reaper drone (an unmanned, remote-controlled plane), detonating a cell phone bomb, and long-range sniper shooting.Targeted killing has been used by governments around the world, and has become a frequent tactic of the United States and Israel in their alleged fight against terrorism.The tactic can raise complex questions and lead to contentious disputes as to the legal basis for its application, who qualifies as an appropriate "hit list" target, and what circumstances must exist before the tactic may be employed