Steven Avery’s story isn’t over yet. Netflix’s hit true-crime docuseries Making a Murderer returns for a second season, and while the first installment focused on Avery’s whirlwind trial for the murder of Teresa Halbach, the next one promises an inside look at his post-conviction life. Directors Laura Ricciardi and Moira Demos will follow Avery as he attempts to clear his name with the help of new lawyers, and likely catch up with Brendan Dassey, who has been on a roller coaster of an appeal ride himself.

Since it’s been nearly three years since the first season took the streaming service by storm, a lot has happened in the Avery case. Though it’s taken plenty of twists and turns, Here are the major developments in the case to get you caught up with where things stand heading into Season 2.

Forensic experts think that key evidence was missing

Four forensic experts condemned the scientific methods used in the Avery case. They believed the prosecution unfairly influenced DNA analyst Sherry Culhane and FBI chemist Marc LeBeau to deliver results supporting a guilty verdict, thereby compromising their analysis. They also took issue with LeBeau’s wording in his testimony.

“There is a saying among scientists that absence of evidence isn’t necessarily evidence of absence, and that appears to be the case here,” the scientists wrote. “It was problematic for Mr. LeBeau to draw conclusions with any scientific certainty about all six of the stains after testing only three of them.”

A neighbour gave a shady eyewitness account of Halbach’s car

Freelance photojournalist Jeff Klassen scored a major scoop when he tracked down Avery’s neighbour Wilmer Siebert. In an article posted to his blog, Klassen shared Siebert’s doubts about the police investigation into Halbach’s death. Siebert claims he saw a car that may have been Halbach’s Toyota RAV4 just “days” before the search party found it on the Avery Auto Salvage yard. By his account, it was driving down a back road that leads to the quarry behind the salvage yard. A white Jeep trailed it. About a half hour later, only the Jeep returned. Siebert said he thought it was unusual because both cars were speeding, and he rarely saw RAV4s around the area.

Siebert was also suspicious of how quickly Halbach’s car was discovered in the salvage yard. “I don’t know how [the search party] could find that car that quick because I needed a gas tank for a truck [once] and they gave me the row [that it was in] and what kind of truck it was and I didn’t find that truck in that short of a time,” he told Klassen. Siebert, who is friends with the Averys, said he was never questioned during the investigation and didn’t think to speak out until he saw Making a Murderer.

Avery slammed his old lawyers

Tumblr may love Strang and Buting, but their former client sure doesn’t. In a scathing letter released in July, Avery blamed his guilty verdict on the defense team. “Dean and Jerry didn’t do no investigation on this case, if I did they would not be in prison,” he wrote. “They would have the Suspect if they did there [sic] job!” Avery also called them “Bad Attorneys” and suggested they should lose their licenses for ethical violations.

That’s a pretty harsh review, but Buting didn’t blame Avery for the outburst:

Steven Avery got a new lawyer – and she’s out for blood

Kathleen Zellner, an Illinois attorney, announced she’d be taking over the case back in January 2016, along with “local Wisconsin counsel” Tricia Bushnell. Zellner specializes in overturning wrongful convictions and has previously exonerated 17 men on charges ranging from sexual assault to murder. She’s also a terrifying courtroom presence. Another attorney once said that facing her in trial was “worse than my divorce.”

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