failure. that's intellectual honesty. >> the defense was all to happy to remind them even the state's own m.e. came to the conclusion in her report. the cause of death, undetermined. >> well, is there anything in dr. cavalier's original autopsy undetermined. >> well is there anything in dr. catalier's original autopsy report, that you take issue or disagree with? >> no sir, i actually agree with it whole heartedly. >> at trial, dr. catalier testified that she favors homicide. would you agree with that? >> no sir, i would respectfully disagree with that. >> reporter: the defense conclusion, it wasn't alex who killed emily, it was what was in those pill bottles. >> this is the marital issue. this is what he screamed about, and he howled about. but no one would listen. do justice to alex fazzino. find him not guilty. >> reporter: jurors would now have to decide if alex fazzino was a killer, or a wrongly accused husband who had tried only to save his wife. >> reporter: coming up. >> you prepared for a guilty verdict?