A decision on Susan Neill-Fraser's latest bid to overturn her murder sentence could be made within a week.
Using 2015 laws, the convicted murderer is staging a last-ditch bid for a new appeal, which would be allowed if Justice Michael Brett is satisfied she has fresh and compelling evidence.
She's serving 23 years after her partner Bob Chappell vanished off their yacht at Sandy Bay in 2009.
The 65-year-old's lawyers were allowed to tender a new affidavit yesterday from witness Meaghan Vass.
Seven network lawyers deemed Ms Vass' claims about what happened to Mr Chappell too explosive to broadcast in Tasmania on Sunday night.
Justice Brett reserved his decision on Neill-Fraser's "fresh and compelling evidence" application last month.