Which of the following is an effective tool to assist in vehicle searches?

A thermal imaging camera is an effective tool for assisting in vehicle searches because it allows officers to detect variations in heat signatures from within and around a vehicle. This technology can reveal hidden compartments or areas where contraband or unauthorized items may be stored, which is often not visible to the naked eye. Thermal imaging can also help identify individuals or animals hidden inside a vehicle, particularly in dark conditions or when a vehicle is not easily accessible.

Additionally, this technology can enhance situational awareness during searches by providing a view of the environment that otherwise could remain obscured. In contrast, while a standard flashlight can illuminate areas of a vehicle, it does not provide the same detail or ability to detect heat patterns. A GPS tracker serves more to monitor a vehicle's location rather than aiding in the search process itself. A screwdriver, although a common tool, is not specifically designed to assist in vehicle searches and could potentially damage the vehicle or compromise evidence. Thus, the thermal imaging camera stands out as the most effective tool in this context.