Normal hemoglobin values are related to the person's age and sex. Normal values may vary slightly between test systems, and which groups of doctors have determined normal values for their group of patients; however, the value ranges are close (vary by about 0.5 g/dl) for almost every group.ormal hemoglobin values are related to the person's age and sex. Normal values may vary slightly between test systems, and which groups of doctors have determined normal values for their group of patients; however, the value ranges are close (vary by about 0.5 g/dl) for almost every group.
CODIS Development and Design. The Federal Bureau of Investigation (FBI) has provided the law enforcement community with the Combined DNA Index System (CODIS), a national DNAâprofile matching service comprised of databases containing DNA profiles from crime scenes, convicted offenders, and missing persons. CODIS began as a pilot project in 1990.
1 Examine, test, and analyze chemical substances, tissue samples, physical materials, and ballistics evidence, using modern measuring, testing, and recording equipment. 2  Interpret and evaluate laboratory findings and test results to identify and then classify materials, substances, and other crime scene evidence.vidence collected from a crime scene may include the victimâs body or any other items related to the crime. Criminalists themselves often collect physical evidence at crime scenes but they also receive and analyze evidence provided to them by crime scene investigators.