《资治通鉴·唐纪·唐纪二十一》
又有人告发皇嗣有秘密异谋，太后命令来俊臣审讯他身边人员，他们受不住酷刑，都想违心认罪。
又有告皇嗣潜有异谋者，太后命来俊臣鞫其左右，左右不胜楚毒，皆欲自诬。
Another person denounced the heir to the throne for a secret plot, and the Empress Dowager ordered Lai Junchen to interrogate his entourage. Unable to withstand the cruel torture, they all confessed misstatements.