According to a brief article in the Tampa Tribune, prosecutors in the Zacarias Moussaoui case want to "use photographs and videotapes of two other planes crashing into the World Trade Center to summarize the attack for the jury."
Is there a single person in the United States, qualified to sit on a jury, who hasn't seen pictures or footage of the World Trade Center attack? Do prosecutors think perhaps the jury might have forgotten what happened? That they need a refresher?
It's pretty obvious that the prosecutors simply want to inflame the jury, which suggests that perhaps their case against Moussaoui isn't as strong as they'd like.