Help Me

SgtFluffy

I met someone on crossfire who i am very sure hacks by being able to see the gamertag or something like that because he walks around the map looks in a direction and shoots even though he didnt see them i saved the replay and his name is *C_R_Y* in his first round he got 6 kills and i have had some other bad experiences with this person and his hcking and now i dont know what to do so plz help me.