Which probably means he was a 25-year-old Arab, but they won't say so for reasons of political correctness.
Which in turn begs the question, did this incident really happen, or is it just the excuse the government needs to get out of the whole racial profiling debate. If this "mystery man" is never found, they will always be able to say, "ah ha, a 40 yr old white male tried the shoe-bomb thing. Therefore, racial profiling is usless". HMMMM...