Kim Nok-wan, 33, was found guilty of raping or sexually abusing 261 people while he led an online blackmail ring using the messenger app Telegram.

The leader of a Telegram sex crime ring which facilitated the exchange of thousands of sexual abuse materials has been sentenced to life imprisonment in South Korea.

A 33-year-old South Korean man was sentenced to life in prison Monday for running an online blackmail ring that sexually exploited or abused 261 victims, including more than a dozen minors he raped or ...