A Singaporean doctor in Australia accused of secretly filming colleagues in hospital toilets is now facing five additional charges, including producing intimate images, using an optical surveillance device, and refusing to assist police investigations.Ryan Cho, 27, appeared in the Melbourne Magistrates' Court on Friday (July 25), where Victoria police revealed they had uncovered over 4,500 intimate videos of at least 460 victims allegedly recorded between 2021 and 2025, Australian news outlets reported.The videos were reportedly organised into folders by victims' names and workplaces, and involved staff at three major Melbourne hospitals — the Austin Hospital, Royal Melbourne Hospital, and the Peter MacCallum Cancer Centre.Court documents alleged that the majority of victims were female medical staff, including doctors, nurses, and paramedics, reported ABC News.The footage, which was said to have been captured in toilets and showers, depicted victims in vulnerable positions.Some videos were allegedly filmed in homes, reported Nine News. Read more