Forensic Scientists use analytical and scientific techniques to examine evidence from crimes and prepare legal statements that summaries the results for court cases. Forensic Science work generally involves one or more areas of science Chemistry Involves the study of paint, chemicals, and similar substances and compounds. Biology involves trace and DNA evidence, including blood, hair, fibers, etc. Drugs and toxicology Involves testing for the presence or absence of drugs, alcohol and poisons in blood, urine, and tissues samples. The duties of a Forensic Scientist includes to carrying out laboratory examinations and analyses submitted by law enforcement agencies and medical examiners and serving as expert witnesses in a court of law. They also carry out tests using scientific techniques, such as infrared spectroscopy, mass spectrometry, and scanning electron microscopy. They are also engaged in inputting data into computer programs and utilizing relevant computer database information and developing, maintaining and updating work quality standards, standard operating procedures, and similar methods and procedures. Coordinating work with other members of the forensic team and with outside agencies.