He was the first one to hear Hermione’s theory as soon as he woke up. She knew that she sounded crazy, but she felt like she was right. As soon as the realization came to her all the pieces started to click together. Voldemort played them once again. What better place to hide a Horcrux than on a clueless person observed by the whole wizarding world and protected by the Order? Nothing would happen to her until Voldemort gave the order.