UK
28/02/2016 20:37 GMT | Updated 28/02/2016 22:59 GMT

Making A Murderer: Steven Avery's Lawyer Kathleen Zellner Is Getting Very Confident

Steven Avery's lawyer appears to be increasingly confident he will soon be a free man.

Kathleen Zellner has been gleefully tweeting anecdotes about the current circumstances of the subject of the hit series 'Making a Murderer'.

The directors of the show, Laura Ricciardi and Moira Demos, have confirmed they have spoken to Zellner and are hoping to begin filming a second series as Avery once again seeks to prove his innocence.

They said: "From our perspective this story is obviously not over. It’s real life and (Avery and Dassey’s) cases are both still pending."

Zellner has already raised a number of points questioning the evidence used to convict her client of the murder of Teresa Halbach.

steven avery

Steven Avery

She suggests it does not make sense that the real killer would go to the trouble of trying to destroy her body yet be sloppy enough to leave traces of his involvement elsewhere.

Avery, now 53, was convicted of Halbach's murder in 2007 and sentenced to life imprisonment without parole.

It is hoped that new evidence using advanced Luminol testing will spark a fresh appeal.

Zellner said: "There was a very poor investigation done of the victim's background, who she was involved with and circumstances of her life.

kathleen zellner

Kathleen Zellner

"It had all the hallmarks of a wrongful conviction case and then when I met him I realised in the time I spent with him in 15 or 20 hours, I absolutely don't believe he committed this murder.

"I don't believe he is capable of committing a murder. But that's not the key thing - it's the evidence that's just flawed."

9 Things Not In 'Making A Murderer' That You Need To Know About

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