Transcript for Attorneys seek clemency for 'Making a Murderer' convict
I'm Britney Schmidt and Madison Wisconsin where lawyers for convicted killer Brendan gas seats are asking Wisconsin governor Tony. In his case. Gas CNN's uncle Steven Avery are both serving life in prison for the 2005. Rape and murder of freelance photographer Theresa hall -- in Manitowoc county after Nazis interrogation played out in the series making a murderer controversy. Rose surrounding his taped confession which he later recanted in 2016. And Daffy dean come within hours of being released from prison. But it was blocked by the federal Court of Appeals now having exhausted their legal challenges. Nasty legal team is asking governor he burst to consider executive clemency. His mom barbed -- here in support of her son. Who has already served at thirteen years in prison. ABC news and does have a copy of the pardon petition. Friend and asked his attorneys filed that today with the state basically asking for one of two things. To pardon him basically forgiving him of his life sentence. Or let him out of prison early. Now there are requirements you Hampton need to file a part in Wisconsin. Brendan does not meet those requirements and the governor's office makes it very clear. If you don't meet the criteria they will not even consider it but his attorneys are hoping governor Tony evil is makes an exception for him. But if not given a pardon gassed his legal team is also hopeful his life sentence could be reduced their commie. Tastes and the rule but haven't issued applied only to pardon. There are no rules restricting governor Ebert ability to issue a commutation. But even with respect to part with those rules that his board has issued. They knew nothing about defendants were actually innocent people who have been locked up in sentenced to life in prison for crimes they didn't commit. We're confident that when the governor looks at this case watches those interrogation videos. Speaks to the people involved give sprint and at the hearing that we're confident that he's gonna see this is exactly the kind of case that the clemency power is tailor made it. Here is a letter bright and gas he wrote himself that was sent to the governor back in April. He says quote I am writing to ask for a pardon because I'm innocent and want to go home. And quote. NASA goes on to say he wants to take care of his mom and have children and is now he signs the letter love the complete and Aniston friend and assi. Now gassed his attorneys say governor Tony either as is their best chance in the filing that petition. Here today if denied Daffy is not eligible for parole until 2048. In Madison Wisconsin Britney Schmidt and you're watching ABC news lie.
This transcript has been automatically generated and may not be 100% accurate.