Complete Clue List
Across
1. American musician and singer-songwriter ____ Converse disappeared in 1974 (6)
4. Stress, strain (8)
9. American socialite and heiress Dorothy ____ disappeared mysteriously in 1910 from New York City (6)
10. Unfortunate mishap (8)
12. Give the slip (5)
13. Russian royal daughter believed killed by Bolsheviks in 1917, whose remains were never found (9)
14. First name of 16D, killed by kidnappers in 1932 (7)
15. 26A + 15A: U.S. professional basketballer believed murdered at sea by brother in 2002 (2nd name, 4)
19. Fanatical captain in Herman Melville's "Moby-Dick" (1851), drowned by his foe and vanished (4)
21. Slavery (7)
24. Receptacle (9)
26. 26A + 15A: U.S. professional basketballer believed murdered at sea by brother in 2002 (1st name, 5)
27. Honest (8)
28. U.S. lawyer Ray ____ disappeared mysteriously in 2005 (6)
29. SAYS SLUM improved with "sweet" plants of the mustard family (anag., 8)
30. 30A + 11D: U.S. politician ____ Boggs Sr. disappeared 1972 after plane went missing (1st name, 6)
Down
1. Inmates ____ and John Anglin escaped from Alcatraz in 1962 and were not seen again (8)
2. Animal that is not a person; like Shergar, racehorse stolen in 1983 and never recovered (8 or 3-5)
3. Poor physical or mental condition (3,8 or 3-8)
5. 5D + 20D: Lord Lucan (____) vanished 1974, suspected of killing his children's nanny (1st name, 7)
6. French writer Antoine de ____-Exupéry disappeared in 1944 Mediterranean plane crash (5)
7. Apprehensive feeling (6)
8. Deceive into difficulty (6)
11. 30A + 11D: U.S. politician ____ Boggs Sr. disappeared 1972 after plane went missing (2nd name, 4)
16. "The ____ Baby", 20-month-old son of pioneering aviator, kidnapped 1932 and missing 72 days (9)
17. Chile or bell pepper (8)
18. Fabled foxes (8)
20. 5D + 20D: Lord Lucan (____) vanished 1974, suspected of killing his children's nanny (surname, 7)
21. Daughter of U.S. Vice President Aaron ____, Theodosia ____ Alston, lost at sea in early 1813 (4)
22. Mexican-American attorney and author Oscar Zeta ____ disappeared in 1974 when visiting Mexico (6)
23. Get-up-and-go (6)
25. Assumed name (5)