The original statement was overwritten, we only have some vague references about what it says. But moving it to another record without the witness present is still tampering.

>Also, in this supposed grand conspiracy to frame Assange, two crime detectives were dumb enough to leave their marks in emails available to the public

The conspiracy was to get Assange into US custody, not frame him of a crime, and that conspiracy has been proven to he true. The allegations didn't need to be flawlessly done.