How to become a drone target

The government apparently calls such attacks signature strikes because the targets are identified based on intelligence “signatures” that suggest involvement in terror plots or militant activity.
So what signatures does the U.S. look for and how much evidence is needed to justify a strike?
The Obama administration has never spoken publicly about signature strikes. Instead, generally anonymous officials have offered often vague examples of signatures. The resulting fragmentary picture leaves many questions unanswered.



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