Back in 2015, the Netflix docuseries Making a Murderer shined a light on the murder of Wisconsin native Teresa Halbach and the controversial trial that followed.
Steven Avery and his nephew Brendan Dassey were convicted of murdering Halbach, and both men are currently serving out their sentences in federal prison.
However, the investigation was far from the open-and-shut case that prosecutors made it out to be.
Avery had already been wrongly convicted of an earlier crime and spent 18 years behind bars.
Understandably, he had been openly antagonistic toward area law enforcement in the years since his release.
Dassey -- still in his teens at the time of his arrest -- suffers from multiple developmental disabilities, and interrogation footage revealed that his confession had been coerced by police who pulled him out of school.
Making a Murderer did not eliminate the possibility that Avery and Dassey were responsible for Halbach's death.
It made clear, however, that their convictions were the result of corruption and incompetence on the part of investigators and that the Manitowoc County DA failed to prove their guilt beyond a shadow of a doubt.
Many viewers reported that the documentary did not convince them that Avery and Dassey were innocent, but it did leave them feeling that they should not have been convicted.
The skeptics may feel differently as a result of a new claim from producers of the follow-up series, Convicting a Murderer.
In a twist straight out of a Hollywood crime drama, director Shawn Rech tells Newsweek that he's spoken with an inmate of Avery's who has confessed to murdering Halbach:
"We haven't confirmed the legitimacy of the confession, but 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," Rech tells the outlet.
"Having been in production for 20 months, we've uncovered an unfathomable amount of information and evidence that is leading us to the truth," the director adds.
"Our investigation does not end here."
Resch says the goal of his series is not to produce another engrossing hit for Netflix, but to finally uncover the truth in a case that's left dozens of lives in shambles.
"I watched Making a Murderer, like tens of millions of others," he says.
"After watching the series I was angry with law enforcement and even embarrassed as an American because of what appeared to have happened to Steven and Brendan," Resch says.
"But after doing a little bit of follow-up research I learned that not only did I not have the whole story, but I was misled by the series.”
Convicting a Murderer is set for release in March of 2020.
The series is not produced by the same team responsible for Making a Murderer, and it has not yet been endorsed condemned by those filmmakers.