Alive
2. Heroist
3. Loreley
4. TenshiCH
5. Nefela
6. Zlobny Yashchur
7. Arandor
9. Ment
12. WishmasteR
13. Drakkoshka
14. Olam Hevel
Execute WishmasteR - 2 (ToX, mika)
Execute Gekasan_RU - 11 (Zlobny Yashchur, WishmasteR, Ment, TenshiCH, Heroist, Arandor, Olam Hevel, Nefela, Drakkoshka, Gekasan_RU, Loreley)
The others are just more suspicious than the rest.
And yes, any of the yellow and green players could be the murderer; you just need to try to find clues.