He stared into his own eyes through the mirror, searching for some sort of answer.

He wanted to pick up a chair and throw it through the mirror.

The force of their dead eyes pierced through the mirror and saw him.

The reason for that was the camera is looking at Betty through the mirror.

Evidently she had not seen the action clearly enough through the little mirror to learn of this before.

I watched her through the mirror, and she looked embarrassed.

In the end the girl will step back through the mirror.

She then goes through the mirror to steal the money.

He looks at me through the mirror and nods slightly, which I take to mean he'd like my help.

I could see straight through the mirror to the other side of the room.