Chongqing Municipal Higher People's Court publicly pronounced judgment on Zhang Bo and Ye Chengchen's intentional homicide case in accordance with the law. In February 2020, Zhang Bo divorced Chen Moumou, andYe Chengchen knew that Zhang Bo's children Zhang Moujia and Zhang Mouyi would be raised by Chen MouMou, but still regarded them as an obstacle to his marriage with Zhang Bo.

At about 2:2020 on November 11, 2, ZhangBo hugged Zhang Mou Jia and Zhan Mouyi who were playing on the bay window sill of the second bedroom, causing the death of the two. Zhang Bo directly committed the murder, Ye Chengchens was more proactive in deciding to kill two children, using the method of creating accidental high falls.