Time problem:At the very beginning of the episode you see the sunset, literally. There is no way that you can actually see the sun move down because it moves too slow, plus it would take more then two seconds to fully set.
Jack: Call it off, Victor.
Drazen: How can I?...
Jack: The same way you've been communicating with them this entire time! Call it off or your sons will die!
Lou Diamond Phillips made two appearances on the show, as Mark DeSalvo, the security chief where Victor Drazen is being held. Philips and star Kiefer Sutherland are known for having worked together in the two "Young Guns" films.
The show's creators named Lou Diamond Phillips' character after a fan who won a Fox auction benefiting the victims of 9/11. The real Mark DeSalvo bid $10,000 to name the character.