From 1928 onwards, the German police used Korn's system to send photographs and fingerprints, though the use of the "phototelegraph" in apprehending a thief from a Stuttgart bank in London was recorded in 1907, as well as the use of the technology by the media, with the French paper l'Illustration contracting for a French monopoly that lasted until 1909.
From 1928 onwards, the German police utilized Korn's system to exchange images and fingerprints. Earlier instances of employing the "phototelegraph" for capturing a Stuttgart bank thief in London were documented in 1907, as well as its use by media outlets securing a French monopoly until 1909.