Along with Alphonse Alley and Pascal Chabi Kao, Hachème was accused of planning a coup against President Mathieu Kérékou on February 28, 1973 and was imprisoned with 20 years of hard labor.
He entered the national political stage in 1963, when he quelled riots trying to bring former president Hubert Maga back into power at his hometown, Parakou.
Alleged to have plotted against Kouandete and Alphonse Alley,[2] Hachème was expelled from the armed forces in January when many southern soldiers were removed, though was brought back shortly afterwards.
[8] In October 1972, when Mathieu Kérékou led a coup and seized power, Hachème was again dismissed from the army as well as every other senior officer from the south.
[2] Along with Alley and Pascal Chabi Kao, Hachème was accused of planning a coup against Kérékou on February 28, 1973 and was imprisoned with 20 years of hard labor.
[9] Hachème was released on amnesty on August 1, 1984, as well as all other political detainees besides those involved in the "ignoble and barbarous imperialist armed aggression of Sunday, January 16, 1977.