sentences:  Austin wrote upon scouting the land that extermination of the Karankawa would be necessary, despite the fact that his first encounter with the tribe was friendly.He spread rumors among the settlers of cannibalism and extreme violence of the Karankawa, sometimes more specifically the Carancaguases.Research has suggested that these accusations of cannibalism were false, possibly caused by confusion with another tribe, and that the Karankawa were horrified by cannibalism when they learned of it being practiced by shipwrecked Spaniards.