His tireless efforts to denounce injustice brought him popularity among readers, but also enemies like the former mayor of Ríos' hometown Hueyapan, who threatened him with death several times, said his former colleague Cecilio Perez, director of Diario de Acayucan. 
Jitihada zake zisizokoma kukemea udhalimu vilimletea umaarufu miongoni mwa wasomaji, lakini pia maadui kama vile Meya wa zamani wa Hueyapanal, mji wa nyumbani kwao Ríos' ambaye alimtishia kumuua mara kadhaa alisema mfanyakazi mwenza wa zamani Cecilio Perez, mkurugenzi wa Diario de Acayucan.