No, it wasn't. My clients in turn plead that the aforementioned war has no impact upon the case, and that in any case it was the beheading of someone who, as heir of Durin's line, had diplomatic immunity, that started the aforementioned war.
Furthermore, they wish to register as an objection that collective guilt by species is, rightly, not a recognised legal principle, and thus whilst it may have been legal for Mr Rog to exercise self defence over invaders of his home who delved too greedily and too deep, his subsequent breaking and entering of the upper halls of Moria was in itself illegal, as was his targeting and killing of craftsmen who were entirely uninvolved in the initial dispute.