Is this on Android or iOS? Their iOS mobile app does not even ask for permission for microphone. Messenger does, but then I did disable that. Also note that the

Is this on Android or iOS? Their iOS mobile app does not even ask for permission for microphone. Messenger does, but then I did disable that. Also note that the moment an application on iOS starts using the microphone you have a huge flashing red banner on the top of your screen so they would get caught quite quickly.