It was more than likely that their hotel room would be bugged and perhaps fitted with a see-through mirror.

This forms a 'see-through mirror' which is very much more 'see through' than it is a mirror!

The dropped ceiling is made of see-through mirror panels framed by ornate Moghul filigree.

More than once, he mirrors two dancers with one of Ms. Lobel's many scrims acting as the see-through mirror.

In another room, the next shift of a dozen opiners waited to take their place before a see-through mirror setting that combined the ambience of Plato's Cave and the "N.Y.P.D. Blue" interrogation room.