An official from the CTI (technical Investigation Body) stands guard next to A metro bus burned by criminal gang members near Comuna 13 neighborhood, Medellin, Antioquia department, Colombia on April 26, 2018. The Comuna 13 Neighborhood has been militarized since gang violence has increased over the last days due to the capture of several leaders including Cristian Camilo Mazo Castañeda, aka “Sombra, leader of the Robledo Gang.