"Like every innocent person giving up is never an option," Avery's lawyer, Kathleen Zellner tweeted on Christmas Eve.
"DOJ takes all credible reports seriously, but it's important to note that this new information directly contradicts information previously provided by the same individual."
With so many pieces to this increasingly confusing murder case, here's everything we know about Joseph Evans Jr., the confession, whether or not it's credible and when can you watch 'Convicting a Murderer.'
In a confession letter sent to Steven Avery defense attorney Kathleen Zellner's office, Evans claims he's responsible. Zellner says his letter is not credible.
"Seeing as it was given by a notable convicted murderer from Wisconsin, we feel responsible to deliver any and all possible evidence to law enforcement and legal teams."
He's fighting for freedom, even after the Netflix show.
"Giving the bones to the Halbachs confirms the State's belief that not only were they human—they belonged to Teresa Halbach," said Kathleen Zellner.
A new trailer for "Making a Murderer" Part 2 follows the legal team of Steven Avery, as an expert on overturning wrongful convictions considers his case.
The Supreme Court rejected hearing the appeal of Brendan Dassey. The now-28-year-old exhausted his appeals of whether his confession to the Halloween 2005 crime was voluntary.
A Wisconsin judge previously overruled the conviction because Dassey had been coerced into confessing.
Evidence against Avery's nephew Bobby Dassey is mounting.
The "Making a Murderer" subject and his fiancée speak to Dr. Phil next week.
"Making a Murderer" prosecutor Ken Kratz bragged about the case to women and tried to coerce women into sex, his accusers told investigators.
Federal judge rules that the then-teen was coerced into a murder confession, as shown on the popular Netflix series.
Dean Strang and Jerry Buting will talk about the case in a series of live speaking engagements.
The state with the highest number of exonerations was Texas, with 54, followed by New York with 17 and Illinois with 13.
Everyone who watched has a view on whether this conviction was secured under suspicious circumstances.
It isn't just corrupt cops who failed the Averys, but every judge, juror, court official and citizen of Manitowoc County.
Sometimes a documentary about a newsworthy story, becomes part of the story itself.
"Steve gave me a bear hug, and I said, 'Steve, I am so sorry.' He said, 'It's OK, Penny. It's over.'"
More than 100,000 people have signed an online petition asking the Obama administration to pardon Steven Avery and Brendan Dassey.
Netflix's 'Making a Murderer' provides a surfeit of captivating quotes and characters.
All proceeds will go to the Innocence Project.