OK. Fairly simple. I'm sure you know all of this, but just don't want to be honest about it.
1. Only giving the assumed name, when the person could be using their real name.
2. Referring to the suspect as a women, when "she" clearly has the appearance of a man makes identification harder (I know you think the "but the mugshot" argument is a get out, but people don't see a mugshot walking down the street, please learn to think critically).
3. Describing the person as a woman means that someone could believe that they have female physiology and are less dangerous than they really are, leading to someone being put in danger.
4. If police staff believe her to be a woman, then, once caught, she might be secured somewhere with women, putting them in danger.
5. If police officers believe her to be a woman, then officers might use less force when making an arrest, believing her to have the strength of a woman, rather than an adult man.
The list could go on, as there are so many scenarios where it could cause harm. But I think that's plenty to support my point and prove you wrong (as usual).
It's pretty clear how correct I am. I'd love to see you back up your points like this now and then, but we both know you don't because you can't.