There are more important things than finding the murderer. And justice is a fine word, but it is sometimes difficult to say exactly what one means by it. In my opinion the important thing is to clear the innocent.
You are young still. Naturally one tries this, that and the other, but what one eventually settles down into is the life one prefers.
There is no such thing as muddle – obscurity, yes – but muddle can exist only in a disorderly brain.