Is It Legal To Post Flyers With Someone’s Face And Name On Public Bulletins W/o Consent (for Safety, Not Commercial Purposes)?

A guy continuously harasses/assaults women in the same area (about 4 mile radius) of Austin, TX. He physically attacked his most recent victim and she was able to get a photo of him. She filed a complaint, but is scared to press charges b/c she thinks he’ll come after her. I posted the picture with the details of the event to my socials and multiple women have come forward saying the same guy followed them closely and breathed on the back of their necks. One of those times, he tailgated (on foot) a resident into the courtyard of her building, walked close behind, smelling her hair and breathing on her, then chased her down the hall. Another woman said he randomly asked her to j*rk him øff. We found his name, phone number, address and place of work and gave the info to the assigned detective and all of the women have spoken with him directly. He said there’s nothing he can do. Would it be illegal to post flyers with his face, name & the DT’s phone # to public bulletins in the areas he stalks? Hoping other women can at least become familiar with his face and avoid interacting, and/or other women who have had similar/worse encounters can come forward.