Visible crew/equipment: When Mr. Hammond drives up to the school where his daughter died, you can see the reflection of the microphone in the left side of Mr. Hammond's car.
Visible crew/equipment: When Kim is in the empty gym dancing, Wendy shows up to confront her. When the camera is on Kim you can see the boom mic coming from the bottom of the screen.
Visible crew/equipment: Kelly gets spooked and heads to the door to check to see if anyone is around. She proceeds to open the front door and the scene quickly cuts to an exterior shot of her looking out the door, and right above the door is a black boom microphone.
Chosen answer: The girl in the van was Jude. She was involved in Robin's death. You see her flashback as young Jude when she receives her prank phone call then she meets Slick walking on her way to school.