She sets her video camera and tape recorder, tools of the trade, on the passenger seat and blushes when she notices the boxed porta-potty in the backseat.
Enter video analysis, which has evolved plenty since I was in high school and used an 8 mm camera to tape myself hitting against the tennis ball machine.
After the Pennsylvania spycam incident, in which school-loaned laptops were secretly snapping photos of high school students, many paranoid techies said they would keep duct tape covering the camera in their laptop when not using it.