Zane,
There is a good reason for the questioning of how I paid for the plane but it was an overzealous application of IRS law being used in my case and those guards should have used some common sense in my situation. Given the pressures of that time nobody was willing to do anything but go by the book, and they were. The law is in place to make a person declare in advance amounts over 10,000 to the IRS to avoid tax evasion, to limit money laundering and to deny finance of terrorism with US funds. I believe theirs was a reaction to the pressure of the situation. I know cooler heads were in place when I walked over to visit with patrol guards, both Canadian and US on the way in. Same laws were in place 3 days earlier but I felt like I was coming back to a different country.
