A law passed after the occurrence of a fact or commission of an nct, which retrospectively changes the legal consequences or relations of such fact or deed. By Const. U. S. art. 1, $ 10, the Btates are forbidden to pass “any ex post facto law.” In thls connection the phrase has a much narrower meaning than^its lit* eral translation would Justlfy, as will appear from the extracts glven below
Source: Black's Law Dictionary 2nd Ed (1910)
