No experience but,
Local paper, NY Times, other NY papers: 'To editor'.
Washington Post and other DC papers: those folks may have saved *lots* of lives in DC. Remember - there's also some indication that the Pentagon was an 'auxiliary target'. We'll never know why they didn't fly just a bit further...
As Doug suggests above.. perhaps after the initial shock and some reflection - you may just be among the first to recognize the 'Scale' of what this group of strangers apparently did.
Possibly they will come to symbolize some of that Best in people, brought out by such calamities (as in the extermination camps and other horrible events). There may even be folksongs - it's the stuff of which they are made.
Dunno in 2001, but I'd imagine a nicely printed or handwritten snail mail note would be preferable to e-mail; the address should be at the sites. Again - dunno how e-mail is considered.. by editors of newsprint, born in the era of literacy.
Cheers,
A.