The massacres in Southeast Antioquia appear related to a confrontation between gangs associated with the Urabeños, which is also known as the Autodefensas Gaitanistas de Colombia (AGC), and the Medellin-based Oficina de Envigado. Both are looking to control local drug markets.
“Unless the government takes serious action, many more human rights defenders are likely to be killed, leaving hundreds of vulnerable communities undefended,” Vivanco said.