With the advanced GPS data modern military aircraft have the pilot knew exactly where he was. The mistake, if it was one, was thinking Turkey wouldn’t mind having their airspace violated again. Turkey didn’t kill anyone, at least not in the aircraft. It could have landed on someone but Russia is reporting the pilot(s)…

Russia likes to dance on the lines claimed by other nations. Looks like someone finally popped them in the nose for not respecting others sovereign space.