Which of the Following Enhancement Scenarios Is Unconstitutional

Multiple Choice

Which of the following enhancement scenarios is unconstitutional?

A) using a flashlight to look through the window of a parked car at night
B) using night-vision goggles to view an unfenced curtilage at night
C) using a telephoto lens to look through a window of a private home
D) using thermal-imaging equipment to measure heat emanating from a living room