Sweep the whole place. Problem is as far as I know that only works for Active not Passive Bugs.
Replace all the lightbulbs with ones purchased from WallyWorld or a local Electric Supply Co.
We will never give up the you commie bastards!
Bring in the cone of silence.
Sweep it? The FBI CIA NSA and Secret Service are filled with Obama appointees, and were part of a sedition and coup conspiracy. So if they come in and tell you “hey we swept it and everything is fine”, does that have any meaning?
When we found a listening device SOP was to walk away like your still searching / sweeping the room . Go outside the venue or quarters with the USSS SAC and whisper what and where you found the suspect listening device.
.... The only person authorized at the time to order the removal of said “bug” was the POTUS.