Trapper can save naruto forever, as long as mafia doesen't know who he is 
Just curious, if mafia kills insomniac, can he write the name of the person, that attacked him, on the floor in blood with his last breaths or come back as a ghost to inform us?

Just curious, if mafia kills insomniac, can he write the name of the person, that attacked him, on the floor in blood with his last breaths or come back as a ghost to inform us?