Answer: a) contains more than 39 million records.
Explanation: The Federal Bureau of Investigation (FBI) is charged with the enforcement of law in the United States, they can detect and investigate crimes and criminal activities. The Federal Bureau of Investigation holds possession of more than 39 million records relating reports and information which aids its activities in the country. The Federal Bureau of Investigation does not hold information about every American citizen has that isn't part of the function of the Bureau. The FBI work on leads when making investigation and at times some leads may be misleading and could reaukt in false arrest.