Ya learn something new every day.
the Karankawa's will probably be forgotten.
Go to Google
http://www.google.com/search?q=%22the+Karankawas+%22&hl=en&lr=&ie=UTF-8&oe=ISO-8859-1&start=0&sa=N
The truth is they were a$$holes and got killed everywhere they went. They were not "noble savages". I can just see them today with their own reservation and a casino on Galveston Island. If you complained about the blackjack dealer, he would eat you.