What Chloe didn't know was that the hallway monitor was already turned off.

Toby Cage saw Chloe at the parking lot.

Chloe did not find Toby suspicious so she did not think anything of it.

Chloe was summoned by the police a day later. She was very anxious but she went to the police station well-prepared for interrogation.

In the interrogation room, Chloe flatly denied her involvement. "I don't even resent him! Why would I want to kill him?

"It's very experienced of you to turn off the monitor. The nurses found out that it has been turned off when the alarm did not go off." Asked the policeman.

Chloe...