Across
- 10. Region where Tkach committed several of his murders
- 15. Institution where Tkach studied as a young man
- 16. Tkach's sentence after conviction, as Ukraine had abolished the death penalty
- 18. Mental health assessment of Tkach after his final arrest
- 20. Tkach was released from prison this number of times before his final arrest
Down
- 1. Period when Tkach committed the bulk of his known crimes
- 2. Tkach's former employer before he turned to crime
- 3. Tkach's primary method of murdering his victims
- 4. Tkach claimed responsibility for murders he didn't commit
- 5. Demographic targeted by Tkach, mostly aged 8 to 18
- 6. Number of people police questioned in the hunt for Tkach
- 7. Tkach's family status during his years as a serial killer
- 8. The number of murders Tkach was officially convicted of
- 9. Tkach's nickname in Ukrainian media, referencing his crimes
- 11. Tkach's background in this field helped him evade capture
- 12. Longest period Tkach spent with a victim's body after killing her
- 13. Total time Tkach spent in prison before his 2005 arrest
- 14. Scientific proof that linked Tkach to many of his crimes
- 17. Tkach committed this crime against many victims before killing them
- 19. Region where Tkach carried out his killing spree