Li Wenzu, wife of lawyer Wang Quanzhang who was arrested in the 709 Crackdown, started her march, from the Beijing Municipal High Court to the Tianjin No.2 Intermediate People's Court to search for her husband. On April 9, 2018, Day 6 of the march, she was kidnapped by a group of Tianjin domestic security personnel and taken to Douzhangzhuang police substation in the Wuqing District of Tianjin.