“You are supposed to use only the power you need, and that is how the law should be,” she said.
A democracy activist, Tam Tak-chi, emerged from the station on Thursday afternoon, where he spent the night after his detention. Mr. Tam met a young man inside who said he had been arrested after the police found a banner in his bag saying “Hong Kong’s independence, the only way out.” The man cried on his shoulder, said Mr. Tam.
The Hong Kong government has insisted that freedom of expression is not threatened. But on Saturday, the city’s public library system said the books of some prominent activists had been taken out of circulation while officials checked to see if they were breaking the new law.
Censorship has infiltrated into private homes.
In June of last year, Katie Lam took her two young sons to a large gathering. Her older son wore a cap that said “Hong Konger” and lifted a handmade sign saying, “Don’t shoot us.”
Now, Ms. Lam, a data analyst, is worried about what her sons say at home. One of them is hosting a birthday party in two weeks, and Ms. Lam wondered if she should hide a print on the piano that reads “Liberate Hong Kong, Revolution of Our Time”, a slogan which, according to the government, could be considered subversive.
The boys loved to sing “Glory in Hong Kong”, the unofficial anthem of the protest movement. She is afraid that the neighbors will hear her.
“Even if we all knew it would someday happen,” she said of China’s intervention, “it’s still painful.”