Why did Dexter kill Rita?

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Tags

1. #bathtub
2. #final
3. #dexter
4. #episode
5. #becoming
6. #killer
7. #revealed
8. #mirroring
9. #trauma
10. #harrison
11. #scene
12. #house
13. #kills
14. #killed
15. #childhood
16. #blood
17. #mitchell
18. #hammer
19. #serial