The story begins in 1985, the year Avery began to serve his first long-term prison sentence. In 2003 he was found to have been wrongfully convicted of sexual assault and was exonerated thanks to DNA evidence. The series gives the impression that law enforcement went after Avery because of a long-held grudge against him. But according to former Calumet County district attorney Ken Kratz, the producers left out certain evidence that made the case seem completely one-sided and had the effect of making Avery appear innocent. Here is some of the evidence that was left out.