The man who prosecuted the case featured in the Netflix show "Making a Murderer" says he's writing a book.
Ken Kratz tells WBAY-TV that he's writing about the case because the voice of slaying victim Teresa Halbach has been forgotten. Kratz said he's grateful to tell the "whole story."
Steven Avery served 18 years in prison following a wrongful conviction of rape, and two years after his release was charged in Halbach's death. He was convicted of first-degree intentional homicide.
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The "Making a Murderer" series questions whether Avery was treated fairly and suggests the possibility that Manitowoc County sheriff's deputies planted evidence.
Authorities have denied that claim. Kratz has defended the prosecution and says evidence was left out of the series.
The filmmakers have stood by their work.