A DEVONPORT murder was the subject of an incredible but bogus letter asserting "substantial errors" by police and the courts.
The bizarre case involves a conman and journalist, Kane Scott Dallow, who fronted a Launceston court himself last week for scamming $5000 from a "friend".
Adrian Wayne Smillie was jailed for 21 years for the 2012 murder of Benjamin Maxwell in Devonport, but his mother Sandra Crack is adamant he is innocent.
Last week, Ms Crack forwarded a letter to media purporting to be from the High Court and addressed to Mr Dallow, care of TAS News 24, who she said had been making a documentary on her son's case.
Mr Dallow has denied any knowledge of the document in spite of Ms Crack saying she received it from him.
Marked "CONFIDENTIAL", but sent to an apparent media organisation, the letter was critical of police.
"I now impose an order for Internal Affairs to conduct a full investigation in relation to the conduct of Tasmania Police and furthermore the investigation in relation to the Smillie case file," it read.
"This investigation has been granted on this 18th day of March 2019 in the view of one acting witness Mr Thomas Handley and The Honourable Chief Justice Susan Kiefel."
When asked to verify the veracity of the letter, the High Court readily dismissed it.
Senior executive deputy registrar Ben Wickham confirmed it was not a document of the High Court.
Ms Crack, who lives interstate, said she had travelled to Tasmania to lobby for her son, and believed the letter would help set him free.
I went into the prison and told my son he was coming out.Sandra Crack
"I went into the prison and told my son he was coming out," she said.
She said it had given her and her son false hope.
A video on Mr Dallow's TAS News 24 website relating to the Smillie case was removed last Friday, and Ms Crack said she had told him she would not authorise his documentary.
Mr Dallow confirmed he had taken the video down because Ms Crack had withdrawn her approval.
Also last Friday, Mr Dallow appeared before the Launceston Magistrates Court after previously pleading guilty to a charge of dishonestly acquiring a financial advantage.
Mr Dallow purported to be making a program for Channel 7 and convinced a "friend" he met at Agfest to give him $5000 for sponsorship.
The court heard he was formerly known as Kane Scott Hicks. On his "media blog" Mr Dallow asserts, in an angry response to reporting of his court appearance, that marrying his partner a year ago "is why I have changed my last name from Hicks to Dallow and not for any other reason".
Under his former name, he was jailed for multiple counts of fraud in South Australia.
He will reappear for sentencing in the Launceston Magistrates Court on June 17.