The police arrested 30 people including Kuga who drafted the zankanjo, those who send the zankanjo to each newspaper companies by Shimada's request (though it was not published.
斬奸状を起草した陸や、島田に頼まれ斬奸状を各新聞社に投稿した者（しかし各紙に黙殺されて掲載されなかった。