showbiz gossip straight to your inbox with the Daily Star's FREE newsletterSteven Avery's mother, Dolores Avery, has passed away at the age of 83.Wisconsin-born Steven was the main subject of Netflix true crime documentary, Making a Murder, which became a huge hit on the streaming service when it first aired in 2015.The show ran for two seasons and contained 20 episodes - telling the story of Steven's legal battles and life in prison.Steven's lawyer, Kathleen Zellner, confirmed the sad news that Dolores had passed away on Thursday morning - and her death comes just one day before Steven's 59th birthday.Taking to Twitter, she shared an update to her followers and asked for their support which is now needed "more than ever".She wrote:.
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