Dayz flying hackers

[#1]

Is it a bird ..........
Could it be a plane ...........................
Noo!
Its ......... The flying hacker without his cape  
This not so nice person > http://cloud-4.steampowered.com/ugc/486693121645401199/1D5095F231FC5363D5BF47A46FE02A3084C84EE3/
He killed almost everyone at the same time with one shot, the *********** ended our fun game, now I and 5 friends have to start all over again... gutted
Any of you guys who play dayz came across this yet ?

[#2]

I've not seen anyone flying.
I've seen a few players running ridiculously fast and just killing people. Hopefully Battleye get onto it and fix it!

[#3]

And we do mean ridiculously fast, running from the centre of Elektro to the firestation (powerplant one) in less than 5 seconds, running through buildings and gates etc.