Hi, I enjoyed reading your story and I think you did very well.
I moved from Europe to Canada a couple years ago and a similar story like yours has happend to me already twice. I have to say that people in North America are more paranoid then in Europe.
One day while taking pictures of arresting one drunk guy a mad cop came to me and made me to delete all of my pictures.
I restored them from the memory card when I got home that day:)