Mr Lee an owner of net center in Korea had installed a camera in the women's toilet.He had filmed 917 customers as they went to the washroom.Mr Lee had a criminal record in the past and had been doing this since from March 2011 until recently.

Mr Lee's hidden camera was triggered by a movement sensor and started recording once customers entered the washroom.

A female customer who discovered the hidden camera reported the incident to the authorities.

Mr Lee was subsequently arrested by the police, who discovered his video files, arranged according to date, on his computer.

A background check had revealed that he had committed similar offences twice before.

A spokesperson from police had clarified that Mr Lee does not have any mental disorder.And he seems to be serious in spying.