According to the police in South Korea, more than 1,500 hotel guests across 30 different hotels in 10 various cities were secretly filmed and live-streamed on the internet via hidden spy cameras in the rooms.
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The cameras were reportedly hidden in the TV boxes, wall sockets and hairdryer holders and recorded footage and live streamed it to a site that consisted of more than 4,000 members. The members of the private site paid a monthly fee to access videos.
Four men have been arrested, reports BBC.
While this is not the first time that a spy camera was discovered in South Korea, in 2017 more than 6,400 cases of illegal filming were reported to the police.
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The increasing spy camera problem in Seoul has led the police to make a team of a special squad of female inspectors who will be regularly visiting the public bathrooms to look for spy cameras.
This story originally appeared on BBC.