alex fazzino. >> now it was the defense's turn. this was to be a trial of two emilys. >>> coming up -- >> did you drink a lot tonight? >> no, i had three cocktails. >> the surprise evidence alex had up his sleeve. >> what's the matter? >> emily under the influence? when "dateline extra" continues. >>> welcome back to "dateline extra." alex fazzino was fighting for his freedom in an iowa courtroom, accused of killing his wife in the home they shared with their children. the prosecution already had its turn portraying alex as a guy with means and motive, everything to lose if she remained alive and everything to gain if she were dead. but armed with a new piece of evidence, the defense was about to have its day. would it be enough to convince a jury? we return to josh mankiewicz with "the quiet one." >> by this time, the love that had once joined the beckwith and fazzino families was long gone. in an iowa courtroom, both families had listened for a week. >> alex fazzino murdered emily fazzino. >> as prosecutors painted alex fazzino as