He did not reach the court until he heard the revolver shots, and then he fired.

When the woman parted from the man she went towards the open gate of the court, while he returned to his room.
"He had almost reached the door when the revolvers rang out.

He had just reached the corner when a shadow bounded by.

Meanwhile, Madame Mathieu, surprised by the revolver shots and by the entrance of people into the court, crouched in the darkness.

The court is a large one and, being near the gate, she might easily have passed out unseen.