HI probably thinks that scientists just seperated DNA from people they knew where on board and left all the unidentified DNA as the hijackers DNA... Not realizing the problem with this we should just ignore him.
Yes, that is the typical truther response, has been in the past. This article seems to indicate, however, that they were (all but a few) IDENTIFIED using DNA analysis.
The truther can whine and bitch about it all they want, and frankly short of being taken on a tour of the crime lab, and shown the analysis itself, they probably will cry and whine.
TAM