The footage shows the latest moments of the death of 'La Catrina' female cartel boss, 21, who oversaw Mexico's most powerful squad and ordered the deadly ambush of 13 policemen after she was fatally injured in a shootout with police Pictures have emerged showing the final moments of one of Mexico's most powerful women, María Guadalupe López Esquivel, after a gun battle with Mexican security forces. #María#Guadalupe#Mexican#cartel boss