>> kathleen zellner is known as an aggressive defense attorney. >> chief legal correspondent for msnbc >> in her 45-page legal motion, zellner attacks law and for some, and tries to poke holes in the prosecution's case and raises new questions. >> she notes that teresa's cell phone pinged off a tower 13 miles away later that day. suggesting maybe she left there alive. it also indications that maybe other people, not from law enforcement, entered the property during the investigation, raising the prospect of other potential suspects. >> and she's won an early round. in november, 2016, a judge granted her access to some of the evidence so her experts could perform new forensic tests, including more advanced testing on avery's blood from the rav4. in june, 2017, zellner filed a motion requesting a new trial for avery. in a statement, she told dateline, we will be able to demonstrate exactly how the evidence was planted in the early part of the investigation. avery, she insists, was framed for a crime he did not commit. but in october, 2017, a wisconsin circuit court tonight that request.