Jorge Ruiz Reyes, Research Associate at the Kellogg Institute, joins Ángel Muñoz Carpintero, JSD student and Kellogg Doctoral Student Affiliate, to discuss the role of open-source methods and technologies in documenting human rights violations. Ruiz Reyes, who holds a master’s in social data science from the University of Oxford, reflects on his work with Kellogg's Violence and Transitional Justice Lab (VT-J), developing tools to analyze disappearances and selective violence in Mexico.