An ancient mummy from the Alps is also a homicide waiting to be solved.
For archeologists, the Iceman and his tools open a new window onto the ancient world.
After defrosting the Iceman, scientists hope to remove the arrowhead from his back.
Scientists perform more tests on the defrosting mummy to determine the cause of his death.
The Iceman's stomach, missing for 20 years, reveals new clues to his way of life.
The mummy's DNA exposes the similarities and the differences between him and modern humans.