Foreign nationals often prefer to travel to Canada or Mexico to apply for nonimmigrant visas because of the obvious convenience. It is essential for foreign nationals as explained here to understand the risks that are involved in applying for a US visa in Mexico or Canada. Visit http://www.VisaPro.com/Signup.asp and request a FREE Case Evaluation today in case you have any questions, or contemplating on applying for a Third Country National Visa at the border.