Fifth-grader Luke takes his own fingerprints to find out which of the three basic types of fingerprints he has. Students attending the Crime Scene Investigator Workshop put on by the Tiger Woods Learning Center at the Quantico Youth Center on Sept. 21, 2013, also learned how investigators once used body measurements to identify suspects. - Fifth-grader Luke takes his own fingerprints to find out which of the three basic types of fingerprints he has. Students attending the Crime Scene Investigator Workshop put on by the Tiger Woods Learning Center at the Quantico Youth Center on Sept. 21, 2013, also learned how investigators once used body measurements to identify suspects.