Temujin kills his half brother. Bekhter, an older half brother, torments Temujin and a younger brother by stealing the prize each time the younger boys fish or hunt. Enraged, Temujin and his brother stalk Bekhter and slay him with an arrow, the Mongol weapon of choice. Temujin’s own mother decries the killing, and court historians, years later, will delicately omit this chapter from biographies of Genghis Khan.   © 1997 National Geographic Society. All rights reserved.