i didn't know steven avery. family, never been there. >> fastbender bristles at the idea the local investigators could have done anything unethical. >> the people that were there that i worked with from manitock can county were hard working. they only wanted to do the right thing and to do this investigation the right way. >> is it possible that that blood could have been planted? >> no. everything, all of the evidence says no. >> fastbender notes a chemical called edta had been used to preserve avery's blood in the vial and that at trial tests showed no presence of edta in avery's blood found in the suv. >> didn't match, no edta in the blood in the vehicle. >> fastbender's argument, since that blood found in the vehicle didn't contain the chemical, it couldn't have come from the vial, and he notes that a nurse was prepared to testify she had made that hole in the vial as part of her usual routine when she drew blood from avery. >> so the fact that there is a little hole in the top of the vial is normal. >> and