Federal Bureau of Investigation (FBI) agents investigate cases through scientific methods in the United States. The agents work on the methods of crime detection. They use scientific methods for the detection of crime. Experimental detection of crime. A dummy on the ground. The agents pick up murderer's weapons and other equipment. They also pick up a drinking glasses for finger prints. The murderer's weapons are never touched by hands so that the fingerprints of the murderer can be detected. 'Technical Laboratory Federal Bureau of Investigation' written outside a cabin. A man works in the laboratory and tests samples. A pistol placed on a table. The man views the fingerprints on the pistol through a magnifying glass. He also tests the fingerprints on the glass. Men view the fingerprints on a projector. A man tests the foot print samples to investigate the case. They make and test models of the rifle, footprints, palm and face.
Federal Bureau of Investigation (FBI) agents investigate cases through scientific methods in the United States. A handwriting expert examines handwriting for the identification of criminals. Other men test clothing to identify criminals. The dust from the clothes is examined. A man examines the sample with the help of a microscope. A chemical test is conducted.
Federal Bureau of Investigation (FBI) agents investigate cases through scientific methods in the United States. Four knives used in a crime are placed on a table. Minute particles of zinc and copper on the knives are inspected. A man examines the sample. Men examine the guns used in a crime. A gun is fired and then examined. A man looks at the sample through a microscope. Other man seated nearby examines other sample.
Federal Bureau of Investigation (FBI) agents undergo their training in the United States. A field training for the agents. They fire rifles at target boards. The training continues in night. The agents fire rifles and hit the target boards at night. FBI Director John Edgar Hoover addresses the nation and talks about the goal of eradication of crime from the country.
Manufacture of United States Army Air Force Martin B-26 Marauder medium bombers in the United States during World War II. Men working in a factory. They work on the production of B-26 aircraft. Different parts of the aircraft lined up to be completed inside the factory. Men work on the parts of the aircraft. They work on the wing section, the tail section and the landing gear parts of the aircraft.
Manufacture of United States Army Air Force B-26 Marauder medium bombers in the United States during World War II. Men working in the factory. They weld parts of airplanes. They wear eye glasses to protect their eyes from any damage while welding. They weld important parts of the aircraft carefully for the safety of the airplane in flight.
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