Colombia's Army commander Gen. Alejandro Navas, second left, and Colombia's Defense Minister Rodrigo Rivera, third left, attend a military ceremony at the military base in Bogota, Colombia, Saturday ... more 

Colombia's Army commander Gen. Alejandro Navas, second left, and Colombia's Defense Minister Rodrigo Rivera, third left, attend a military ceremony at the military base in Bogota, Colombia, Saturday June 4, 2011. Rivera announced that Colombian security forces killed Alirio Rojas Bocanegra, alias " El Abuelo", the alleged security forces chief for the top leader of the Revolutionary Armed Forces of Colombia (FARC) during a military operation in Tolima state. less