could be one, there are 3 times where he directly lock on the enemy behind the wall, one time he even shoots the wall right at the enemy.
The other 2 times could be good reflexes ... so there is a chance that he is clean (small one though)
he shows again, you don't have to be good just coz you use hacks
"Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live."
- Martin Golding