Plutonium

Bubbles It could be skill but like OP said I'll leave up to admins. I don't think anything was "impossible" but just unlikely.

Rapiidz_ Those shots definitely look weird. Especially at 0:50, 1:17 and the last killcam. I don't know if they had UAV or other killstreaks to help them but the way they snap onto you through walls looks bad.