However, the scene of the attack had been witnessed by the Owari Tokugawa family, who had been following the daimyo palanquins that day, and also many people had seen the snow covered in blood, so knowledge of the Tairo's assassination spread quickly throughout Edo.
しかし、襲撃後の現場には尾張徳川家など後続の大名駕籠が続々と通りかかり、鮮血にまみれた雪は多くの人に目撃され、大老暗殺は瞬時に江戸市中に知れ渡った。