United Nations human rights officials are blasting the national security law China imposed two months ago on Hong Kong. Beijing says the crackdown was necessary to bring stability to the semi-autonomous city after months of protests, some of which became violent. But pro-democracy activists and other residents say they are now tormented by fear. Special correspondent Divya Gopalan reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders