Leeching/Teamkilling at spawn.
He was throwing knives at team (see the knife on back of the guy to the right) then he started throwing at me when he realized i was watching.
http://imageshack.us/photo/my-images/12/mb111.jpg/http://imageshack.us/photo/my-images/140/mb115.jpg/And on the next map at spawn again throwing knives at team.
http://imageshack.us/photo/my-images/62/mb123.jpg/