Wei Xiuwen, left, mother of Chen Mei, and Cai Jianli, center, father of Cai Wei arrive outside a courthouse to attend their children's court cases in Beijing, Tuesday, May 11, 2021. Two amateur computer coders taken by police from their Beijing homes last year were standing trial Tuesday in a case that illustrates the Chinese government's growing online censorship and heightened sensitivity to any deviation from the official narrative on its COVID-19 response. (AP Photo/Andy Wong)