Was used in one of Alfred Hitchcocks first films. The basis of the movie was continued killings until the person was caught.
They were found after Mr. Hitchcocks death in his estate.
Mrs. Irene Fredrick
August, Forth, 1971 Activation
They have to be placed in the same room.
If placed in the same room one person will die. This will cause an argument of accusation. More people will continue to die unless you figure out who the glasses potrayed as the murder.