How Hong Kong’s national security crackdown stifled the city’s democratic opposition. Since the sentencing of Lai and other activists drew fresh international scrutiny of the national security laws, Reuters has compiled and verified detailed information on 238 of the 386 arrests under the rules between 2020 and 2026, based on court reports and other public sources. The Post-it notes in this story depict these cases against activists, politicians, lawyers, students and journalists.