They are outside the law just like pirates, brigands, freebooters, looters and filibusters. Summary execution at the point of capture has been the norm since ancient times.
I'm retired military and understand that. It drives me crazy that the international community has not comdemned their non uniform wearing, civilian targeting, prisoner executing, war criminal azzes!
I'm retired military and understand that. It drives me crazy that the international community has not comdemned their non uniform wearing, civilian targeting, prisoner executing, war criminal azzes!