I feel bad if this person had no idea.
But then again, there was indication since last year. And it sure ain't pleasant being on the receiving end of punches that are more 'testosterone enhanced.'
Angela Carini's Olympic dreams ending like this isn't just another "Well there's always tomorrow," so truly horrible for her.
Looks like a legit issue to me, as trans with an unfair physical advantage competing against biologically born women keeps popping up. In this case, however, it looks a little more complicated than usual, with someone who grew up oblivious to the possibility of not actually being female.