Because they didn't want to see them. Nancy Grace will say that she went to the bathroom to put on her fingernails and that's when she was raped and that's why there was no DNA evidence on the fingernails. She'll say that the scratches were left by the fingernails under the press-on nails.
Nancy Grace also speculated that the boys had videotaped the Gang-Rape .. When she heard of the pictures.. she speculated on National TV
Wendy Murphy called them Rapists
Crier said let's hear what the Defense has to say when the DNA results come back .. Now, they're back (first results) and they didn't mean anything anyway.