in an iowa courtroom, both families had listened for a week. >> alex fazzino murdered emily fazzino. as prosecutors painted alex fazzino as a monster who brutally killed his wife in a fit of rage. i've got to ask you this straight out. did you play any role in killing your wife? >> physically, no. i mean, i -- i'll always feel a little responsible that i couldn't get through to anybody to get her help. and i'll carry that with me for all of my life. >> defense lawyers bill kutmus and trevor hook insisted there was no murder here, or any crime at all. >> this case should have never been prosecuted. >> that was where you came down, from the very beginning, was that this case should never have been brought. >> absolutely. i took that position because of the lack of evidence. alex fazzino was totally innocent. >> there's no more pressure than if you have an innocent person trying to defend on this kind of a charge, first-degree murder. >> kutmus says that from the beginning, prosecutors targeted alex and refused to consider anything else. >> they reviewed all the information, the toxicol