Hong Kong police disguised as protesters PART 3

During the 2019-2020 Anti-Extradition Bill Movement in Hong Kong, Hong Kong policemen disguised themselves as protesters to do violent, illegal, provoking mayhem and destroy properties.
2019-2020年香港反送中時有證據證明香港警察扮示威者搞破壞、收集情報、煽動暴力、打人、捉人。