guymartin92 is a glitcher (and so is Ragon75)
https://youtu.be/xCioHCjGKQM - shows them clearly hiding in their spot and shooting.
https://youtu.be/aAdWFSsLtqw - shows that they're still there, a few minutes later (check the tickets), still killing people.
https://battlelog.battlefield.com/bf4/battlereport/show/1/1287769154216976832/1447699198/ - guymartin92
https://battlelog.battlefield.com/bf4/battlereport/show/1/1287769154216976832/1055789833/ - Ragon75
And you didn't report them on their profile, because???