He's fighting for freedom, even after the Netflix show.
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.
The "Making a Murderer" subject and his fiancée speak to Dr. Phil next week.
The state with the highest number of exonerations was Texas, with 54, followed by New York with 17 and Illinois with 13.
More than 100,000 people have signed an online petition asking the Obama administration to pardon Steven Avery and Brendan Dassey.