Which Alice?

ALICE IN PUZZLE-LAND
told the truth. This information was not enough to enable me to
deduce who was guilty. Then the Jabberwocky told me who the
third defendant accused, and I could then determine who was
guilty. But I no longer remember whether the third one lied or told
the truth, nor do I remember whom he accused." Who was guilty
this time?
ANOTHER CASE "There was one trial at which I was present
and the Jabberwocky absent," said the White Knight. "Again there
were three defendants, and only one was guilty. The first defendant
was asked whether he was guilty, and he answered yes or no, but I
can't remember which. Then the second defendant was asked
whether he was guilty, and he answered yes or no, but again I can't
remember which. Then the third defendant was asked whether the
first defendant was innocent or guilty, and he either said the first
defendant was innocent, or he said the first defendant was guilty,
but I no longer remember which it was. Do you have any idea yet
who was guilty?"
"Of course not!" replied Alice.
"I figured not," said the Knight. "However, I also remember
something else: I don't remember which ones told the truth and
which ones lied, but I do remember that at least one of them told
the truth and at least one of them lied. Now can you figure out who
was guilty?"
"Surely not!" replied Alice.
"I figured not," said the White Knight, "but if it will help you any,
let me tell you that last week I met the Jabberwocky, who asked me
about the trial. At that time I still remembered what each defendant
had said, and I told the Jabberwocky what each one had said. I also
told the Jabberwocky that at least one of the three statements was
true and that at least one was false. The Jabberwocky was then able
to figure out who was guilty."
At this point Alice—and also you—have enough information to
solve the case.
Who was guilty?
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