Do you mean this article?
http://www.csmonitor.com/2004/1029/p06s01-wosc.html
"Unless you can identify the individual or compare [it] to known samples, it is difficult to authenticate," says a US intelligence official. "There's no information in the intelligence community that links this video to a specific threat. So what [the speaker] is talking about doesn't appear in other intelligence."
Nevertheless, it's become easier and cheaper to produce a relatively sophisticated video. With about $3,500, one can purchase a small digital video camera and a laptop with video editing software, and create output, which as Kohlmann puts it, is worthy of "a half-decent Hollywood studio."
"Terrorist wannabes [have] manufactured an encyclopedia full of fraudulent threats and communiques on the Internet," says Kohlmann. "It is now getting easy enough that similar wannabes can produce their own jihad videos too."
I have my doubts its a real threat, I still think its a politically motivated ploy by a terrorist(s), and then abc decided since they had possesion of the tape they might as well carry the ball so to speak.