A Colombian
man''s admission to the murder and torture of 140 children has again put the Since Jack The Ripper, criminologists
say there have been about 100
known cases of serial killers around the world, including one of modern history''s worst murderers - Pedro Alonso Lopez, known as Monster of the Andes.
Lopez is thought to have butchered more than 300 young girls in Colombia, Peru and Ecuador throughout the late 1970s and early 80s. He was arrested in 1980 but was freed by the government in Ecuador at the end of last year and deported to Colombia. In an interview from his prison cell, he described himself as "the
man of the century" and said he was being released for "good behaviour".