a significant advocate for -- and being paid to be obviously -- but a significant advocate for joe. >> palczynski's lawyer, dave henninger, said he did nothing wrong representing a man with a 13-year history of domestic violence. >> yeah, i have a very clear conscience. i mean if anybody's failed in this case and many other cases it's the people who have the ability to get this person some real help and nothing is ever done. >> but even joe's mother doubts that professional help could have made a difference. >> he couldn't change it. it hadn't changed. medicine wasn't going to do it. he was who he was. >> the consequences of palczynski's actions were cause for heavy scrutiny of the legal system in the days and months that followed the murders and hostage standoff. >> the issue of palczynski's background and how he was handled by both the courts and the mental health system was the subject of very intense debate. >> steven bailey is the chief prosecutor in the domestic