Department of Justice | 8,495 followers on LinkedIn. The Department of Justice traces its beginnings at the Revolutionary Assembly in Naic, Cavite on April 17, 1897. The establishment of a regime of law was tasked to Don Severino delas Alas who headed the Department of Grace and Justice. Shortly after the proclamation of Independence in Kawit, Cavite on June 12, 1898, President Emilio Aguinaldo issued a decree on September 26, 1898 reorganizing the Department.