Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Youtube Video
I also experienced this bug. The deadman's firing stops when someone loot his firing gun. Try out.
And this is still not fixed on last patch (1.1.4)... This bug is quite annoying and seriously sabotages gameplay (especially PvP which needs sound-play)