In the Qing dynasty, there was a famous criminal case involving a civil service examination. The chief proctor of the examination was suspected of being a distant relative of one exam candidate. The chief proctor should have turned down the position, but he did not.
清代有一件著名的「科場案」，由於主考官被懷疑跟考生有遠親關係，理應迴避該科場，但卻未迴避，因而致罪。