The judicial function of the Senate is to sit as a high court for the trial of persons impeached by the House of Representatives, a vote of two-thirds of those present being needed for conviction.
Yet it was common; Verres was worshipped before he was impeached !
Their veracity was impeached in ancient times by Asinius Polio and has often been called in question by modern critics.
In J4 he impeached unsuccessfully C. Porcius Cato, who in his tribunate (56) had acted as the tool of the triumvirs.
In April 1695 he was impeached once more by the Commons for having received a bribe of 5000 guineas to procure the new charter for the East India Company.