Federal Medical Center Carswell, a women’s prison in Fort Worth, Texas, now has a separate unit for male inmates who identify as women. So the Bureau of Prisons carved out a men’s wing inside the women’s prison and started moving more of them there. “It is being described as a ‘men’s prison within a women’s federal prison,” Fleming told The Federalist in an email correspondence. Women’s prisons for women. The debate over housing male inmates in women’s prisons is occurring across multiple correctional systems, and this federal case is the latest example.