A Times Reporter on His Father’s Years in Mao’s Army in China

I didn’t have much time. I was in the remote town of Altay in China’s far northwest region of Xinjiang, on the mountainous border with Russia, Mongolia and Kazakhstan, thousands of miles from my base in Beijing as a bureau chief for The New York Times.In this case, my mission was personal: I was seeking records in Altay’s Civil Affairs Bureau on my father’s service in a Chinese army unit six decades earlier. I knew police officers would soon be trailing me, as they did whenever foreign journalists turned up in Xinjiang.It was 2014. President Xi Jinping had begun enacting much…