CLOCKKWWOORRDD

The solutions from 1 to 12 are all six-letter words ending with the letter D in the centre. Moving clockwise from 1, the letters in the outer circle will spell out the name of a 19th-century serial killer. 1. Prohibited 2. Merited 3. Connected 4. Loitered

suspiciously 5. Greek

mathematician 6. Crushed 7. Support 8. Prodded lightly 9. Biblical hunter 10. Stretch

11. Idiotic

12. Fired