Exploring some of the most important departments of the FBI Crime Lab -- including Firearms, DNA and Fingerprints -- this eye-opening program offers a behind-the-scenes view of forensic science. FBI agents discuss the work that goes on at the lab and provide a rare glimpse of cutting-edge technologies. Top administrators reflect on the changes created by the Sept. 11 attacks and on how the FBI is adjusting to its role in the war on terror.

To spearhead its fight against crime and terrorism in the 21st century, the Federal Bureau of Investigation relies heavily on the important work being conducted at the FBI Laboratory, the agency's $150 million-plus building in Quantico, Virginia.

Here, nearly 700 highly trained scientists and technicians utilize cutting-edge forensic technology in an attempt to unearth the identities of serious criminal perpetrators. More than one million examinations are carried out at this facility each year, providing crucial information and support to law enforcements agencies across the country.

In this captivating documentary, The History Channel® reviews the lab's history - from its humble beginnings in 1932 to the state-of-the-art complex it is today. See how the events of 9/11 and the FBI's new mandate to fight international terrorism have changed the lab forever.