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‘I Will Kill You’: 'Making A Murderer' Star Steven Avery’s Threatening Prison Letters To Ex-Wife Exposed

Steven Avery Threatened To Kill Ex Wife Prison Letters
Source: Courtesy of Netflix

Feb. 25 2019, Updated 11:33 a.m. ET

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Convicted murderer Steven Avery is currently serving a life sentence for the brutal killing of 25-year-old journalist, Teresa Halbach. The Making A Murderer subject, who has since been defined as a sex-obsessed, violent salvage yard worker, continues to proclaim his innocence behind bars. Now, RadarOnline.com has unearthed exclusive threatening prison letters the inmate penned to his ex-wife, Lori Mathiesen. Click through the gallery to read Avery's never-before-seen violent death threats.

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Steven Avery Threatened To Kill Ex Wife Prison Letters
Source: Courtesy of Netflix

On the Netflix documentary series about his conviction, Avery continues to proclaim to the world that police framed him for the strangling of Halbach. The Midwest monster’s nephew, Brendan Dassey, was also convicted of murder and remains in jail.

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Steven Avery Threatened To Kill Ex Wife Prison Letters

Years prior to his life sentence for Halbach’s murder, Avery served nearly 20 years for a rape he did not commit. Following the wrongful conviction, Avery threatened to kill his then-wife, Lori Mathiesen, behind bars, according to letters she gave to police. In the first letter, shown here, Avery scribbled in giant letters, “I will get you when I’m out.”

Steven Avery Threatened To Kill Ex Wife Prison Letters

The horrific threats continued in a second written note, shown here, as he addresses Mathiesen as his “honey” before repeatedly threatening to murder her. “I will kill you Ha. Ha.,” Avery penned in the letter. “I’ll use the letters and the pictures against you.”

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Steven Avery Threatened To Kill Ex Wife Prison Letters
Source: Carl Wagner/KRT/Newscom/The Mega Agency

Avery sprinkled in backhanded compliments to his ex-wife in the handwritten notes, alongside terrifying threats of violence. “I love you but you should love me to (sic),” Avery scribbled. He added: “If you don’t brang (sic) up my kids I will kill you.”

Steven Avery Threatened To Kill Ex Wife Prison Letters
Source: Courtesy of Netflix

Mathiesen and Avery share four children together. They were married for six years before divorcing in 1988.

What do you think of Avery’s threatening letters to his ex? Sound off in the comments!

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