In the days following the March 21 detention of four lawyers — Jiang Tianyong ( 江天勇 ) , Tang Jitian ( 唐吉田 ) , Wang Cheng ( 王成 ) , and Zhang Junjie ( 张俊杰 ) —and approximately 20 citizens , in Jiansanjiang City, Heilongjiang Province, the authorities rounded up and questioned scores of other lawyers...