A 7-year-old American girl was fatally shot by Mexican police during an anti-cartel operation near the U.S.-Mexico border. The girl, identified as Aranza, was shot in the head while traveling with her family in Matamoros, Mexico, as police pursued suspected members of the Gulf Cartel on Oct. 29, .. Her family alleges officers opened fire despite her father’s attempts to identify them as civilians, while Mexican authorities maintain that police were responding to an attack during the operation ... The mother alleges that she was driving with her husband and five children near the border in the town of Matamoros...