Cho Ju-bin

Cho Ju-bin () is a South Korean criminal who was convicted of blackmail and sexual harassment as part of the Nth room case.
Biography.
Born in 1995, Cho studied Information and Communications at Inha Technical College. He had completed his compulsory military service in South Korea from 2016 to 2017. He also joined several voluntary services (e.g. at an orphanage). 
Cho was reported as a hardworking student with 4.0 CGPA and was part of anti-violation campaigns at his university.
Relation with the Nth room case.
During early 2020, the Nth room case garnered national attention in South Korea. On 23 March 2020, the Seoul Broadcasting System revealed the personal information of the suspect, Cho, after conducting their own investigation. The next day, police also confirmed his identity.
Cho was widely accused for sexual harassment, with some victims reported as minors, including secondary students. It was also reported that he had threatened Sohn Suk-hee, an anchor for JTBC.
During an interview on March 25th, Cho said, "thank you for putting a brake on the life of a devil that could not be stopped."
Sentence.
On 26 November 2020, Cho Ju-bin was found guilty of his crimes and sentenced to a total of 40 years' imprisonment. Cho reportedly said that he wanted to apologise to his victims.