now they're asking the new jersey governor to change the laws. that's tomorrow night. now erin burnett anchors a cnn special investigation, "the truth about benghazi." >> tonight, u.s. embassies and consulates around the world close. >> we believe this threat is significant and we are taking it seriously. >> u.s. officials afraid of another benghazi, where four americans, including the u.s. ambassador to libya, were murdered. nearly a year later, no one wants to repeat the same fatal mistakes. >> my heart is broken, because he perished the way he did. >> the truth is irrefutable it was a terrorist attack. >> was it because of a protest or because of guys out for a walk one night that decided to kill some americans? what difference at this point does it make? >> was there a coverup?