Over the last few weeks, Opinion Has It host Elmira Bayrasli sat down with three experts to discuss the legacy of the Tiananmen Square protests, 30 years after they were violently crushed by the Chinese Communist Party. That episode was published last week.

During the conversation with Sophie Richardson, China director at Human Rights Watch, Elmira asked about China's progress in the use of surveillance and tools of repression. Here's what Sophie had to say for this week's outtake.