The DNA on her shoe could literally be from anyone in the school who touched them, or from a gym locker, or transferred in any number of ways. It’s not like it was under her finger nails, or somewhere unexplainable. The prosecutorial notes that Mosby said referred to a second suspect actually referred to Adnan, as confirmed by the prosecutor who wrote them. There was literally nothing exculpatory in it, unless you’re a conspiracy theorist, which is why the Attorney General came out in disbelief that Mosby overturned the rulings of the highest Maryland courts who saw the evidence and upheld the conviction.