This thread is full of nice people who seem to me to be largely missing the point; and every now and again some not so nice people feeling free to let the mask slip. And those bloody experts:

"Law enforcement authorities say that some Irish Travellers are experienced con artists, but that many are law-abiding citizens."

Which of course is perfectly true - as it would be equally true if you replaced "Irish Travellers" with "Jews" or "Black Americans", or "White Americans" or folk singers...