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Published online by Cambridge University Press: 14 March 2025
Almost every one or two weeks a large envelope arrives in my mailbox. Opening it up invariably reveals a flier, newsletter or newspaper, often accompanied by a handwritten note with a tailored message. At the risk of sounding facetious, only my mobile phone provider is as punctual and frequent. But the deliveries are not from any commercial service. They are from a prisoner support group.