In Colombia, from the second half of the nineteenth century, two political parties; The traditional liberal and conservative ¸ fought a series of civil wars for almost one hundred years of bloodshed in the country. The last of these To know as "La Violencia" ¸ began following the assassination of popular leader Jorge Eliecer Gaitan ¸ The April 9, 1948. That day began a dark period that lasted a decade in which met the key role hired murderers ¸ called "Pajaros" ¸ such as Leon Maria Lozano ¸ The most notorious of all. "The Condor."