"In my view your Lordships should now declare that where process of law is available to return an accused to this country through extradition procedures our courts will refuse to try him if he has been forcibly brought within our jurisdiction in disregard of those procedures by a process to which our own police, prosecuting or other executive authorities have been a knowing party."
"When it is shown that the law enforcement agency responsible for bringing a prosecution has only been enabled to do so by participating in violations of international law and of laws of another state in order to secure the presence of the accused within the territorial jurisdiction of the court, I think that respect for the rule of law demands that the court take cognisance of that circumstance... Since the prosecution could never have been brought if the defendant had not been illegally abducted, the whole proceeding is tainted."
"...the court, in order to protect its own process from being degraded and misused, must have the power to stay proceedings which have come before it and have only been made possible by acts which offend the court's conscience as being contrary to the rule of law. Those acts by providing a morally unacceptable foundation for the exercise of jurisdiction over the suspect taint the proposed trial and, if tolerated, will mean that the court's process has been abused."
"It may be said that a guilty accused finding himself in the circumstances predicated is not deserving of much sympathy, but the principle involved goes beyond the scope of such a pragmatic observation and even beyond the rights of those victims who are or may be innocent. It affects the proper administration of justice according to the rule of law and with respect to international law."
"The law is settled. Weighing countervailing considerations of policy and justice, it is for the judge in the exercise of his discretion to decide whether there has been an abuse of process, which amounts to an affront to the public conscience and requires the criminal proceedings to be stayed: Ex p Bennett . Ex p Bennett was a case where a stay was appropriate because a defendant had been forcibly abducted and brought to this country to face trial in disregard of extradition laws. The speeches in Ex p Bennett conclusively establish that proceedings may be stayed in the exercise of the judge's discretion not only where a fair trial is impossible but also where it would be contrary to the public interest in the integrity of the criminal justice system that a trial should take place. An infinite variety of cases could arise. General guidance as to how the discretion should be exercised in particular circumstances will not be useful. But it is possible to say that in a case such as the present the judge must weigh in the balance the public interest in ensuring that those who are charged with grave crimes should be tried and the competing public interest in not conveying the impression that the court will adopt the approach that the end justifies any means."
"(a) shall allow an appeal against conviction if they think that the conviction is unsafe and (b) shall dismiss such an appeal in any other case."
"Where there has been oppressive conduct savouring of abuse of process it seems clear that the Court of Appeal Criminal Division may quash a conviction on the ground that it is unsatisfactory or unsafe: Seesection 2(1)(a) of the Criminal Appeal Act 1968 ."
"It seems plain on the language of the statute and on authority that the court is obliged to exercise its own judgment in deciding whether, in the light of the new evidence, the conviction is unsafe."
"That our sole obligation is to consider whether a conviction is unsafe. We would deprecate resort to undue technicality."
"...we would wish to leave open for argument the proposition that in a case where a fair trial was possible but it was, nevertheless, unfair that the Defendant should have been tried, a verdict of 'guilty' could properly be regarded as safe."
"A court must suppress any abuses of its process and ...defeat any attempted thwarting of its process"; and per Lord Devlin at 1354: "
"Before parting with the matter we express some reservation about the jurisdiction of the Court to quash a conviction where there has been an abuse of process of the Ex p Bennett kind, that is, where a fair trial was possible and in the event resulted in a safe conviction, but where, on a proper view of the matter, the prosecution should have been stayed as an affront to justice. The question does not arise for our determination in the light of our conclusion that a fair trial was possible and took place, that it was not unfair to try the appellants and that safe convictions resulted. And the matter was only touched on briefly in argument. However, if our view had been that it was an abuse of the Ex p Bennett kind, we do not know where we could have found the power to quash what we regard as a safe conviction. The Court's jurisdiction is entirely statutory, and the single criterion for interference with a conviction is now - since the recent amendment ofSection 2 of the Criminal Appeal Act 1968 - its unsafety. The Court seems to have assumed such jurisdiction in R v Bloomfield(1997) 1 Cr App R 125 and R v Hyatt (1997) 3 Archbold News 2 , but as the Editors of Archbold News comment in their Issue 02 of 1998, it is far from obvious as to why this should be so."
"I do not think it can be doubted that the appeal court - in this particular case the Courts-Martial Appeal Court - have power to declare a conviction to be unsafe and to quash the conviction if they find that the course of proceedings leading to what would otherwise have been a fair trial has been such as to threaten either basic human rights or the rule of law."
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