They were sent to people living near U.K.-based pro-independence activist Tony Chung and former district councilor Carmen Lau, they told RFA Cantonese in interviews last month.
“A reward of one million Hong Kong dollars is being offered by Hong Kong Police to any member of the public, who can provide information on this wanted person and the related crime or take him to Chinese embassy,” the letters read. The included a Hong Kong national security police email address where they could give information and claim their reward.