Lock of hair from Sitting Bull (IMAGE) University of Cambridge Caption Hair from Lakota Sioux leader Sitting Bull’s scalp lock, from which DNA was extracted for analysis Credit Sitting Bull's scalp lock. Credit: Eske Willerslev. Usage Restrictions WIth credit as below. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.