Detective Comics #209 (1954)

THE MAN WHO SHADOWED BATMAN! An ingenious criminal known only as the Inventor discovers a way to project the movements of Batman on a giant monitor, so that he can complete his crimes with no interference. Batman and Robin are unable to capture the criminals, as they are always one step ahead from the crime-fighters. When Batman gets rid of his Utility Belt, he finally learns how is that the thugs have predicted their actions and managed to escape. Without the advantage of the projected image, the criminals are confronted by the Dynamic Duo, but the Inventor tries to escape on a desperate attempt only to be stopped by Alfred, who happened to know about Batman's situation. THE DOUBLES OF DOOM! THE CASE OF THE COWARDLY CREW! THE THREE FEATS OF PERIL!