There’s every chance he’ll be charged with perverting the course of justice or will be held in contempt of court for continuing to share details of the incident and the images. He has to have shared them before the papers because they are under the same strict guidance and legalities and will be well aware of that.
The theories about it being someone else’s blood etc; head injuries bleed profusely and quickly, the images easily look like the allegations that were made. With regard to her self harming, she received no medical treatment either at the scene or whilst in police custody, that would’ve been part of their statement and in the public domain. Also, if she had been found to have self harmed at the point of the alleged attack and subsequent arrest, it would’ve been very likely that she would’ve been sectioned, especially given the information that she had to be restrained later at the police station.