The alarm startled her father, who was about to break into the house looking for Mira.
She had unknowingly saved her life by pressing the panic alarm, as the bloodlust her father was radiating clearly indicated he didn't have any good intentions for her.
Considering their relationship and his hatred for her, it was safe to say that if she didn't press the panic button, she would end up with an even worse fate than Officer Jones, and she was only a child.
Alex, seeing this scene play out in real time in front of him, understood now why Mira hated her last name so much.
Hearing the approaching sirens and seeing the commotion coming from the neighbours houses, her father fled the scene, disappearing into the early morning shadows.
