Recently, a media outlet reported that Jung Joon Young and Choi Jong HoonŌĆÖs Instagram accounts have been deleted. If you visit their pages, you can see that both their accounts are deactivated. Instagram is known to deactivate accounts of convicted sex offenders. Recently, Ko Young WookŌĆÖs Instagram was shut down for the same reason. Back in 2016, the two singers were arrested and charged with sexually assaulting a drunken woman as a group. Jung Joon Young and Choi Jong Hoon were each sentenced to 5 years and two and a half years in prison for the crime. Ko Young Wook was arrested in 2013 for sexually harassing and assaulting three underage girls. He was then sentenced to two and a half years of prison and was released in July 2015. Source (1)