Doherty and fellow members of his active service unit had targeted civilians, soldiers, policemen and politicians as part of the IRA's campaign against British rule in Northern Ireland.
Doherty dan beberapa rekan unit pelayanan aktif-nya, menargetkan penduduk sipil, tentara bebas tugas, polisi dan politisi sebagai bagian dari kampanye IRA terhadap kekuasaan Inggris di Irlandia Utara.