The books arrived over three decades, some sewn into coat linings, others hidden in shipments of machine parts. This month, they went on public display for the first time.

Those involved describe a slow build of pressure over several years, with small changes in rules and enforcement adding up to something larger. Few of the people we spoke with wanted to be identified by their full names, citing concern for relatives.

Researchers who track the issue say the trend is consistent with what they have documented elsewhere. A summary of their findings is available in our earlier reporting.

We are not asking for special treatment. We are asking to be left alone to pray, to gather and to raise our children in our faith.
— A community organizer

What happens next

Advocates say the coming months will test whether recent attention translates into lasting change. Several organizations plan to publish follow-up reports, and lawmakers have signaled interest in further hearings.

For the families at the center of this story, the questions are more immediate: where to live, how to earn a living, and when they might see the people they left behind.