Steven Avery fights to prove his claimed innocence. Steven claims that "they set him up," when he was investigated and was told that he was not a suspect. The investigation of Teresa's death resulted in finding an essential in Steven's residence, EDTA test being done, and log documentation of officers. When searching Steven's home, a key that linked to Teresa's Rav 4 was found. The key was found on a bookcase November 8 when Sargent William Tulson did not watch over the officers. Steven's defenders suspected that the officers planted evidence. Lieutenant Lank volunteered to search Steven's house along with Sargent Colbern, after being deposed before the investigation and should not have done the search for such reasons. When Colbern claimed to see the key, he claimed that he did not touch it when first having contact with it. He admitted to the court that he did not plant evidence and argued that it was the "first time his integrity is questioned." On November 3 was when Colbern first found out about Teresa's death. In the investigation report that he did, he did not mention the key that was found. …show more content…
The EDTA test was requested by one of Steven's defenders, Jerry, but unfortunately, no one did those tests anymore. Exhibit 479 was the request of the EDTA search. The FBI decided to do the EDTA test and ended up getting quick results. A test that takes months took only weeks. Dr.LeBeau claimed that EDTA proved if blood was taken from a test tube. No EDTA was found in the Rav 4. LeBeau claims his belief that Steven's blood found in the Rav 4 was not EDTA. Only three swabs were tested during this investigation. There were many other stains to look at in the victim's vehicle. Janine Arvizu, a laboratory data, claimed the possibility that blood did come from a test tube. She argues that "you can't guess samples, you have to test them, not