I have read Hazel's account. What strikes me is that the assailant repeatedly changed condoms, cleaned hands... Was there even enough DNA evidence? Was it enough to be sequenced? Was it even tried? (Obviously, one should still keep it hoping for advanced technology in the future).
She identified a birthmark on his thigh and this matches, as well as him being Possibly German.
But this must be worth something, no? She also seems to recognize the eyes. She might also be able to identify his voice... On what basis was he convicted for the rape of the 72 year old? (I imagine he took similar precautions there.)