“Madam Foreman and your members, may I remind you that when we started this case, I told you, you must keep before you the oath or the affirmation that you took that you are going to hear the case, try the case, based on the evidence that you hear within this Court. You must remind yourselves of that oath, that affirmation that you took. That is your function; that is why you are here; that’s why you have been here right throughout this trial.”
“There was nothing that could have been gained (at best a denial by the accused juror), and a great deal that would have been lost (the possibility of having to discharge the jury), by questioning the accused juror. We can see no basis to interfere with the exercise of that discretion.”
“It seems very unlikely that he would have thought it right to follow course (c), given that W had shown herself so inalert to her duty as to have left this criminal and highly improper approach unrevealed for so long. The judge would not, we think, have felt able to eliminate the real risk that W might as a result of the approach and whether consciously or unconsciously have become prejudiced for or against one or some defendants. No doubt the judge would have been guided in the exercise of his discretion by what his investigation revealed. Had he felt able to adopt course (b), he would no doubt have given the jury a very emphatic direction.”
“We cannot know whether M’s approach swayed W for or against the appellants nor whether the bare majority which convicted the appellants Putnam and Lyons would have existed without it. We should not make our own, necessarily superficial, assessment of the merits. A jury tampered with, as (we assume) this one was, is liable to give an uncertain sound. The high regard in which juries are held depends on their collective integrity and on the individual integrity of their members. If a source of poison is identified in time it may be (and often is) possible for the poison to be isolated and neutralised. But we cannot view without grave unease verdicts reached by a jury when we know that there was a source of poison which (because its presence was unknown) could not be isolated and neutralised, when we do not know how far the poison may have spread and when we do not know what effect it may have had. There is in our judgment a real danger that the appellants may have been prejudiced and we cannot regard the verdicts as other than unsafe and unsatisfactory. It was not suggested that we should apply the proviso tosection 2(1) of the Criminal Appeal Act 1968 , and this would in our view be plainly inappropriate. We accordingly feel bound to allow these appeals and quash the appellants’ convictions.”
“The jury should not be placed under any pressure to arrive at a verdict. It is for that reason that the summation should not be concluded close to the end of the court day; the jurors should not have any anxiety, for example, about getting home etc, affecting their deliberations. For that reason a 3.00 pm benchmark has been adopted. Only in the simplest of cases would it be not unreasonable to send the jury to deliberate after that time. But the time is not an inflexible one. In more complex cases, it may well be unreasonable to conclude the summation during the afternoon session. In such cases, it is best to delay concluding the summation until early the following day in order to give the jury adequate time to consider all the issues before it.”