why did angela search under the hood of every car

Angela took the clues at face value and thought looking under the hoods was an appropriate action and believed she might find additional clues.

“The only thing I can figure from these clues is: Good gracious from hood space. As soon as the parking lot is shoveled out, we’ll peek under the hoods of all the cars. A map or more clues may be hidden there. Maybe even the murder weapon. Now, let’s hear about the other clues.