STOP, right there, exhibit DRH/33 (Lab' item no.17 or exhibit DRH/44, Lab' item no. 75) compromised of hand swabs taken from the right and left hand, head and a control swab (rejected on 9th August, 1985), now, forgive me for appealing for commonsense to prevail, how do we know that when the swabs were re-submitted under the exhibit reference DRH/44 (Lab' item no. 75) that Essex police did not just submit the head swab, and the control sample?
You can't trust corrupt coppers, they will do, and did anything in that era, to establish a case against this person or that person!
Take my word for it, cops in this era were not like the cops we have today, those in that era were worse than common criminals, supported and backed up by the powers that be - a totally vile, evil lot the lot of them!