His finger pressed the trigger in a fleet of mixed emotions that he didn't realise the bullet would pierce through Karenina's chest and kill her. Since his revolver is always loaded with silver bullets.
"BOSS," Loren snapped from his place in a flash of second to Romeo and immediately pushed Romeo's hand, shifting the direction of the revolver.
BANG
The bullet hit into the terminal's wall, creating a deep crater with the tremendous kinetic friction involved. The resounding sound of silver bullets hitting the metallic wall of the terminal created panic in the crowd, they screamed their hearts out and rushed straight to their destination, without caring to judge Romeo's actions.
But Karenina stood there in front of Romeo, her eyes closed and her arms spread open, protecting Maverick. When the commotion died, she slowly opened her eyes and was not surprised at being alive. And the first thing she did was check on Maverick.