Trivia: Early in the film, Tom Mullen mentions the name "John Smith." Mel Gibson provided the voice of John Smith in "Pocahontas."
Trivia: Evan Handler later played Larry Fine in the TV movie "The Three Stooges," which was produced by Mel Gibson.
Trivia: During filming, Mel Gibson had to have his appendix removed - that's one reason why he looks so pained throughout the movie.
Answer: While the police would take fingerprints, it would take a long time to get all the fingerprints to the lab and tested for a match. They probably wouldn't have known whose prints they had at the time of the news broadcast. And even if they knew they had Gary Sinise's prints, they wouldn't automatically suspect him.