المهدي بن بركة
Ahmed Boukhari (; born 1938 in Safi) is a Moroccan former agent of Cab-1, the political cell of the DST (the Moroccan internal secret service). He claims to have taken part in the operation that masterminded the abduction and liquidation of Mehdi Ben Barka, and is as such one of the last surviving possible witnesses in the Benbarka Affair.