The witnesses had given only the evidence that helped the other side.
At least two witnesses gave a different version of the attack.
"You are not allowed to ask leading questions; the witness must give the evidence," the judge said.
The sheer scale of it is huge: at least 62,000 witnesses gave evidence.
Other witnesses, such as medical or vocational experts, also may give us information at the hearing.
Other witnesses gave testimony that the man making the accusations was "not in sound mind".
He said that under the present system, witnesses might give evidence on issues which turned out not to be in dispute - wasting court time.
But witnesses gave a different account, describing a fight in earnest between the two men, the police said.
The police and witnesses have given conflicting accounts of the shooting.
The witness gave evidence at the trial which suggested the policeman had arrested the wrong person.