The Sheriff
The elevator stops. The dancers know very well which floor they are on now, so they decide to stop. Their boss, Sheriff Bill Elder steps into the elevator. Could he have seen the CCTV footage? The three, unaware that their dance party had already been captured by a hidden camera, tried to contain themselves the best they could.
Hopefully, their boss doesn’t realize they misbehaved in the elevator… The Sheriff stands with his back turned to the trio, as can be seen in the hidden camera footage. You can tell that the three cops would be happy to continue their dance party, but that will have to wait until the Sheriff gets out.
Unless…