Playback serverIf a title won’t play, switch servers.
Season 4 · Episode 12

0.023mDecember 22, 1999
Young Navajos on a reservation in the Southwest were dying at an alarming rate. CDC officials had never seen anything like it; the mysterious illness had claimed the lives of more than 20 people. The tribe's medicine men provided investigators with a critical clue which would lead halfway around the world to a most unlikely killer.