https://www.247fairplay.com/CheatDetector/janusz_zawada_43

guy was instantly headshotting people on this server: http://battlelog.battlefield.com/bf4/servers/show/pc/6f57dd08-3932-498a-8492-d7b62ef782f4/Classic-Team-Death-Match-Votemap-24-Players-NFO-Dallas/

Here's a link to one of the reports: http://battlelog.battlefield.com/bf4/battlereport/show/1/878024988250544768/1868556556/

Everyone was hackusating him and he even admitted to it, unfortunate enough i couldnt screenshot where he admitted but he did. 

Banned, thanks for the report