Other mistake: In the ending before McGivens gets ready to slit Zorro's throat, Zorro kicks McGivens 4 times. After McGivens goes forward on his face, the rope that held Zorro's hands tied is gone, nor are there pieces left behind from him cutting them.
Other mistake: Toward the end where Zorro is trying to catch the wine bottle that he tied to the train to explode, the wine bottle goes from being completely underneath the train to being tied on the outside in plain view and back again.
Answer: Compromised means that her cover was blown.
Myridon