to blame the person who gives the news that sth bad has happened, instead of the person who is really responsible :
Don't shoot the messenger!
to blame the person who gives the news that sth bad has happened, instead of the person who is really responsible :
Don't shoot the messenger!
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005