Yura stared at the electronic wall in the office of the Political Office at 10:43 October 17, 2011, saw the time, and a little lost. In a large office, Yura is the only one alone, and police officers of the news that just came with everything were taken away one by one, leaving them alone. Even colleagues in the Department of Politics go to do other things after sitting with him for more than half an hour. The office of the Police of Colombia, this is the place where Yura is assigned. At 8:00 in the morning, colleagues from the Department of Politics announced the division of all the people and they spent three months with ten police officers from Yura. During the training, each person entered a different position. Duan and Sun Medellin are graduate students of forensic science professi

