He did not witness her execution, yet he and the others are complicit in her death. [+ in]

他没有亲眼目睹她被处决，但他和其他人对她的死都难脱干系。

A mother who does not report the abuse is said to be complicit.

据说一位没有举报这起虐待事件的母亲与此有牵连。