Two weeks later, simon thinks hes being followed again. Around the same time, simon receives an anonymous e mail. Its title chinese agents will find you and bring you back. Simon cheng is one of the leading figures in the hong kong democracy movement. Four years ago, he was working at the british consulate and was asked to monitor escalating protests. Weeks later, he vanished during a consulate trip to mainland china. Simon says the police used his visit to a Massage Centre to accuse him of soliciting prostitution. They framed me up to say i solicited prostitutes. Simon says he was accused of being a british spy, then tortured. He says he was restrained in a device known as a tiger chair. Seen here in videos from chinese social media. When simon was released, he fled to the uk and has now been granted asylum. In london, he set up an organisation to help others whove left hong kong. Today, his house is on a special Police Protection register and hes constantly looking over his shoulder.