If you put a sign on the shield and on the dash saying all conversations in a police car are subject to recording, then it's not done without their knowledge and it's bugging. Some private companies do that on elevators. They could do whatever they want as long as they warn you.
If you put a sign on the shield and on the dash saying all conversations in a police car are subject to recording, then it's not done without their knowledge and it's bugging. Some private companies do that on elevators. They could do whatever they want as long as they warn you.