That was sarcasm, right? If not, I guess I can see how you developed your opinion. :)
The only hairs relevant are Danielle's,
The only (hairs,fibers,prints,etc) relevant are Westerfield's.
Just ignore those other hairs,fibers,prints you found. They don't mean anything.
Thank you for your co-operation
(signed, the real killer)
So we can ignore the presence of the hairs so long as the police didn't ID every hair within a 10 mile radius. Logical.