Top 10 Secrets and Mysteries looks into people with unknown identities including (10) skyjacker D.B. Cooper, (9) Isdal Woman, (8) Jack the Ripper, (7) Agent 355 from the American revolution, (6) Tank Man from China, (5) Kaspar Hauser, (4) the Green Children of Woolpit, (3) the Man in the Iron Mask, (2) the Man from Taured, and (1) the Babuska Lady from JFK's assassination.—Shatterdaymorn