Go deeper: Mueller investigation stories spark new journalism debate

Mueller leaves the U.S. Capitol after a meeting. Photo: Alex Wong/Getty Images

Special Counsel Robert Mueller's investigation — and the reporting around it — is raising new questions about journalistic ethics in an era rife with fake news.

Why it matters: Protecting the relationship between reporter and source is a tenet of good journalism, but secrets and opacity can be tricky in times like these, when public distrust in politics and the media is ever-increasing.