is "armed" a cheater?

[unarmed_only]

Someone can verify if this player is cheating?
I have 1 demo file and 1 set of images.
The behavior of "armed" is so weird. I think it is not a glitch, he knows exactly what is happening.

http://www.filedropper.com/2016052121194...01-2404-44

[grenadier]

Already reported: http://forum.cubers.net/thread-7199-post...#pid170704

[unarmed_only]

I'm glad to know that :)