Even without a penis, transwomen have the physical strength, muscular development, bones, skeleton, lung capacity etc of a man
We've seen that often enough in sport
They commit crimes at the same rate as other men
If a man had lost his penis in an accident or through illness, then he would be just as strong physically and able to beat up or strangle a woman
Losing a penis, by accident or design, does not remove the ability to commit crimes, other than rape.
It doesn't even prevent other sexual offences.
And very few transwomen prisoners - I don't know if there are any - have full surgery and GRC