Rubuta ci gaba don wannan sakin layi - Mario Oscar Ferreyra, wanda aka fi sani da Malevo Ferreyra (Yuni 17, 1945 <unk> Nuwamba 21, 2008) ya kasance shugaban 'yan sanda na Argentina. Da yake jami'in 'yan sanda ne a lokacin mulkin kama karya na Argentina na baya-bayan nan, ya shiga cikin ta'addancin jihar
, yana murkushe kungiyoyin 'yan tawaye na hagu a lardin Tucuman. Bayan dawowar dimokiradiyya, zai zama shugaban 'yan sandan lardin Tucumán. A wannan matsayin, Ferreyra ya shiga cikin kisan gillar 'yan bindiga, da kuma fararen hula marasa laifi da ake zargi da wannan. Daga baya za a gurfanar da shi kuma a sake shi daga rundunar. Ya harbe kansa a shekara ta 2008, lokacin da yake fuskantar kama shi, kuma an watsa kashe kansa kai tsaye a gidan talabijin na kasa.