1: Mtis4blockheads

2: i forget but you can see in the video

3:

sadly you didnt really get to see it because i recorded it to late but you can see in the bottom left corner theres rapid fire

 

Though we can see the rapid fire, we can not see the player's in-game name.
Can you provide us with more sufficient evidence?

 

At 0:00 it says [You have been tagged by: Linus969], the person who Mtis4blockheads was messaging in the video also.
Evidence:
http://gyazo.com/5a37b13b78b5443607b0184b45c9ad88
(Bottom part of the text)

 

Thank you for the report. The reported player has been banned.
This thread as been moved to Reports - Banned.