Suspected hacker: Bezrukii_Dniwe
Suspected hack: Silent Aim/ Roccat.
Description, uses silencer on P90 and locks onto players from across the map and tracking through walls. I highly suspect silent aim or aimbot switch on/off.
DEMO: http://www.mediafire.com/file/hoguv8l4dcf3go5/demo0000.dm_1/file
http://www.mediafire.com/file/hoguv8l4dcf3go5/demo0000.dm_1/file
http://www.mediafire.com/file/hoguv8l4dcf3go5/demo0000.dm_1/file