Apprehension of imposter at border. CBP announced that the US-VISIT allowed them to catch an individual attempting to pass themselves off as a returning asylee on 3/6/09. Primary inspection with US-VISIT. However, the Department of Homeland Security can, at least theoretically. Upon arrival at the U.S. border, all individuals must pass through Customs and Immigration inspection. During this inspection, U.S. Customs and Border Patrol Officers determine whether or not an individual will be admitted into the U.S. in the status sought. The CBP officers are authorized to ask you questions about your trip and your personal background, including: Your citizenship. The nature of your trip. Anything you are bringing back to the United States that you did not have when you left.