Mamadou Sy was a squadron commander in the Mauritanian army, then a deputy commander and finally a base commander before he was arrested that night.
Mamadou Sy kwamandan rundunar ne a sojojin Mauritaniya, a lokacin yana mataimakin kwamanda, a ƙarshe kuma ya zama kwamandan sansani kafin a kama shi a wannan daren.