Luis Carlos Galán suggested that Galán's assassination was executed with help of corrupt Colombian policemen and some of his own bodyguards, who had been bought off by the drug cartels, including Pablo Escobar and other drug lords. Most of the arrested presumed hitmen were killed in jail or shortly after their release, allegedly to silence them. On 13 May 2005, a former Justice minister (1974) and congressman of the Colombian Liberal Party, Alberto Santofimio, known for his open connections to Pablo Escobar during the 1980s (Escobar joined Santofimio's political movement), was arrested and accused of being the intellectual author of Galán's murder. According
Los Pepes Los Pepes Los Pepes, a name derived from the Spanish phrase "Perseguidos por Pablo Escobar"("Persecuted by Pablo Escobar"), was a short-lived vigilante group composed of enemies of Pablo Escobar. They waged a small-scale war against the Medellín Cartel in the early 1990s, which ended in 1993 following the death of Escobar. There are reports that Los Pepes had ties to some members of the Colombian National Police, especially the Search Bloc (Bloque de Búsqueda), with whom they exchanged information in order to execute their activities against Escobar. According to documents released to the public by the U.S. Central Intelligence Agency