Crime Scene Investigator - Biomedical Forensic Science

Forensic Scientist or Serologist testing for human fluids. Properly collected and preserved evidence can establish a strong link between an individual and a criminal act. Evidence or lack evidence can also be used to bolster or contradict a witness statement or any statements that the suspect may make. Blood evidence can also point the investigator in the direction he or she needs to go to solve the case. Sterile cotton swabs are the accepted collection material for blood stains, saliva and other body fluids.