Before she agreed to what? She continued to lie repeatedly. We have over 2000 pages of cold hard facts pointing out her repeated lies and attempts to hinder the investigation. Absolutely nothing she told them in the interview room was used to get CW to confess. Saying she only hindered the investigation a little bit so it doesn't matter is just absurd. So much wasted man power. If it was up to her they never would have found out about the affair in the first place. Anadarko had to alert LE according to the discovery.