Crime Steven Avery's Mom: 'I Don't Think Teresa Halbach Is Even Dead' In a radio interview, Dolores Avery suggested that Halbach could have covered up her own death By Tara Fowler Published on January 15, 2016 03:10 PM Share Tweet Pin Email Trending Videos Photo: Netflix Steven Avery‘s mother has said that she doesn’t believe Teresa Halbach is dead. While speaking with WAAF radio in Boston on Wednesday, Dolores Avery said that Halbach could have covered up her own death. When asked who she believed killed Halbach, Dolores answered, “I don’t know, but I wish the person could come forward. I don’t think she’s even dead. I don’t think so.” The radio host pointed out that Halbach’s bones were found in Steven Avery’s backyard. “How do you know if them were her bones?” replied Dolores. //embed.ramp.com/amd.js • Want to keep up with the latest crime coverage? Click here to get breaking crime news, ongoing trial coverage and details of intriguing unsolved cases in the True Crime Newsletter. The host answered that forensic testing showed they were Halbach’s remains. “[Then] somebody planted them,” Dolores said. “They planted the key.” Steven Avery has maintained his innocence in Halbach’s murder, claiming he was framed in retaliation for a $36 million lawsuit against Manitowoc County. Avery’s trial and subsequent conviction in the death of Halbach, following an earlier wrongful conviction, have made headlines following the release Netflix’s Making a Murderer last month. The 10-part documentary series, filmed over a decade, heavily scrutinizes the course of Avery’s arrest, trial and conviction for murder, and has inspired an impassioned call for his pardon and release.