I agree with Miia, you had full rights to kill bbno$, because you knew whoever he killed was definitely innocent, even though that someone decided to troll and throw a block away.
However, you shouldn’t have reported bbno$ for it, he did nothing wrong either.

I agree with Miia, you had full rights to kill bbno$, because you knew whoever he killed was definitely innocent, even though that someone decided to troll and throw a block away. However, you shouldn’t have reported bbno$ for it, he did nothing wrong either.