Varför krävde Dumbledore inte att ifrågasätta Sirius Black under Veritaserum?

Här är vad J.K. Rowling säger om Veritaserum:

"Veritaserum works best upon the unsuspecting, the vulnerable and those insufficiently skilled (in one way or another) to protect themselves against it. Barty Crouch had been attacked before the potion was given to him and was still very groggy, otherwise he could have employed a range of measures against the Potion - he might have sealed his own throat and faked a declaration of innocence, transformed the Potion into something else before it touched his lips, or employed Occlumency against its effects. In other words, just like every other kind of magic within the books, Veritaserum is not infallible. As some wizards can prevent themselves being affected, and others cannot, it is an unfair and unreliable tool to use at a trial."

"Sirius might have volunteered to take the potion had he been given the chance, but he was never offered it. Mr. Crouch senior, power mad and increasingly unjust in the way he was treating suspects, threw him into Azkaban on the (admittedly rather convincing) testimony of many eyewitnesses. The sad fact is that even if Sirius had told the truth under the influence of the Potion, Mr. Crouch could still have insisted that he was using trickery to render himself immune to it."

KÄLLOR:

Wayback Machine - JKRowling.com (Original J.K. Rowling site): Veritaserum plays a big part in finding out the truth from Mad-Eye Moody in book four. Why then is it not used for example in the trials mentioned in the same book? It would be much easier in solving problems like whether Sirius Black was guilty or not?

Harry Potter Wikia - Veritaserum (If I must ... )

J.K. Rowling - The Leaky Cauldron Wiki - Veritaserum (This link is frequently down)

COSforums.com: Can you use Legilimency/Veritaserum to get the secret out of a secret keeper? (Scroll down to Owlgirl's post)

Från Harry Potter Wikia på Veritaserum (dristigt min):

Despite being the most powerful truth serum in existence, it can still be resisted through different methods, including the taking of its antidote and Occlumency.[2]

For the same reasons Muggles use polygraph tests, Veritaserum is no more reliable than its Muggle counterpart. Since some wizards and witches can resist its effects while others cannot, Veritaserum is "unfair and unreliable to use at a trial" and cannot be used as definite proof of guilt or innocence.

Another weakness is that the victim only states what they believe to be true, so the victim's sanity and perception of reality also factors in during interrogations. This is the main reason why Barty Crouch Jr.'s testimony was not credible, as he was clearly insane.[3]

EDIT

• Källa [2] är Harry Potter och Phoenix-ordningen
• Källa [3] är en (bruten) länk till en Veritaserum FAQ-sida på Rowlings hemsida.

Dessutom, jag tror Jag kommer ihåg något om lagligheten (mitten av stycket) som kommer upp i den 4: e boken, Fire of Fire.

De kunde också ha begärt pensionärminnen. Medan jag inte är säker på hur du skulle ändra ett pensivminne står det för att du troligen behöver en trollduk för att göra det, och de aurorer som fångade Sirius tog sin trollstav och knäppte den.

Det kan inte ha varit någon anledning att

Det förefaller inte vara några bevis för att Sirius någonsin nekade anklagelserna mot honom. I Fångare av Azkaban Cornelius Fudge beskrev hur de fann Sirius (min betoning):

A crater in the middle of the street, so deep it had cracked the sewer below. Bodies everywhere. Muggles screaming. And Black standing there laughing, with what was left of Pettigrew in front of him... a heap of bloodstained robes and a few — a few fragments —"

Så blev Sirius fångad att skratta på mordplatsen. Vi får aldrig veta att han proklamerade sin oskuld, trots att det säkert skulle ha varit en betydande detalj, särskilt när han flydde. Alla tycktes anta att Sirius bröt ut ur fängelset för att döda Harry och / eller hitta Voldemort, men ingen föreslog någonsin att han bröt ut eftersom han hävdade att han var oskyldig.

Fudge beskriver dessutom en konversation som han hade med Sirius i Azkaban, och noterade särskilt att Sirius verkade normal psykiskt. Men Sirius argumenterade aldrig för att han var oskyldig och be om en (re) rättegång.

Det verkar faktiskt som om Sirius ansåg sig skyldig. Två gånger under samtalet med Harry i Shrieking Shack i slutet av Fångare av Azkaban erkänner han i grund och botten skuld (mina betoningar):

"You killed my parents," said Harry, his voice shaking slihtly, but his wand hand quite steady.

Black stared up at him out of those sunken eyes.

"I don't deny it," he said very quietly. "But if you knew the whole story —"

"Harry... I as good as killed them," he croaked. "I persuaded Lily and James to change to Peter at the last moment, persuaded them to use him as Secret-Keeper instead of me.... I'm to blame, I know it.... The night they died, I'd arranged to check on Peter, make sure he was still safe, but when I arrived at his hiding place, he'd gone. Yet there was no sign of a struggle. It didn't feel right. I was scared. I set out for your parents' house straightaway. And when I saw their house, destroyed, and their bodies... I realized what Peter must've done... what I'd done...."

Om han tolv år senare, och efter att ha brutits ut ur fängelset, fortfarande övervägde sig (delvis) skyldig, är det desto mer sannolikt att han ansåg sig skyldig vid brottets gång och i fängelset.

Således kan vi få en situation där det fanns gott om bevis mot en person, och han beklagade inte ens sin egen oskuld. Det är viktigt att det finns en parallell situation på andra ställen i serien, vilket lyser på vad som händer i en sådan situation. I Halvblodsprinsen , diskuterar övertygelsen om Morfin Gaunt för mordet på gåtorna (som han inte hade begått), säger Dumbledore (min betoning):

"So the Ministry called upon Morfin. They did not need to question him, to use Veritaserum or Legilimency. He admitted to the murder on the spot, giving details only the murderer could know. He was proud, he said, to have killed the Muggles, had been awaiting his chance all these years. He handed over his wand which was proved at once to have been used to kill the Riddles. And he permitted himself to be led off to Azkaban without a fight.

Vi ser här att i ett fall där det finns tillräckliga bevis mot någon och den anklagade erkänner sin skuld, anses Veritaserum vara onödigt. Därför kan vi föreslå att detta är samma orsak till att Dumbledore aldrig föreslog att använda Veritaserum på Sirius - det fanns tillräckliga bevis mot honom, och han nekade inte ens något.