Here is the full list of all 10 Cold Verdict 2 achievements.
The first casualty
The second casualty
The third casualty
Completed the game
Managed to keep Isaac alive till the very end
Managed to keep Julia alive till the very end
Ensured that both Isaac and Julia survive
Isaac and Julia both perish
Shot the evildoer and witnessed the consequences
Didn’t shoot the evildoer and witnessed the consequences