Fast?

Ok, I have searched but confused
An Ex-Deus Ex player is trying to play again and he shoots like 5 times as fast, lags, and jumps from one place to another.
It is not his ping because he has around 70 all the time in some Uk servers.
Any help please?
Thanks.

An Ex-Deus Ex player is trying to play again and he shoots like 5 times as fast, lags, and jumps from one place to another.
It is not his ping because he has around 70 all the time in some Uk servers.
Any help please?
Thanks.