Wallhack,thats it.You knew both ,your first 2 kills and when you died you were aiming at the one on the lower right corner,guess you didnt see the other one sitting in the dark place,near the box.
Ill point out another thing,you have been banned in many servers with nicks-LOL,Unknown imported,unknown,imported ban.
Google your steam id.3 pages of Amxbans.