Visible crew/equipment: The boom mike is visible at the top of the center of the screen. (00:24:50)
Visible crew/equipment: Liz and Alex are talking in the hallway at school. You can see a full body reflection of the boom operator in the glass behind them. (00:42:20)
Visible crew/equipment: During Isabel's birthday party, Isabel, Liz and Maria are in the back room of the Crashdown talking. You can see the reflection of two crew members in the mirror. (00:18:50)
Visible crew/equipment: When Sheriff Valenti first walks into the house of mirrors, you can briefly see the reflection a crew member wearing a white shirt.
Visible crew/equipment: At the end of the episode, when Max, Michael and Isabelle are looking at the key in the Jeep, you can see the shadow of the crew moving on the hood of the Jeep.
Visible crew/equipment: In the scene where Maria and Liz are talking in the bathroom, you can see the camera man in the mirror's reflection twice. (00:15:35)
Answer: It's called "Here With Me", performed by Dido. It can be found on her album "No Angel".