 The Priscos were involved in murder and attacks that the head of the Medellin cartel, Pablo Escobar, ordered between 1984 and 1990.They have been linked to the assassinations of Justice Minister Rodrigo Lara Bonilla, director of "El Espectador", Guillermo Cano Isaza; Hernando Baquero Borda magistrate; First Superior Judge Tulio Manuel Castro Gil; Attorney Carlos Mauro Hoyos, governor of Antioquia, Antonio Roldan Betancur; Colonel Waldemar Franklin Quintero, Colonel Jaime Ramirez, the head of the transit section of Medellin, Mauro Alfredo Benjumea, of the judges of the Court of that city, Alvaro Medina Ochoa and Gustavo Zuluaga Serna, and an attack on Chamber representative Alberto Villamizar, among other crimes.This criminal group was dismantled on January 22, 1991, when David Ricardo Prisco, head of the organization, died on the same day as his brother Armando, in two separate operations developed by the National Police of Colombia in Medellin and Rionegro respectively.