The arrests of four Sun executives have undermined morale among the rest of the paper's staff. And many now believe that Rupert Murdoch no longer cares for them.
In company with some journalists at The Times and the Sunday Times, they think Murdoch may be prepared to jettison the Wapping titles.
They are particularly exercised by the activities of the Management and Standards Committee - the unit created by News Corp to liaise with the police.
It is just one battlefront in the internal war now being waged within News Corp. As I argue in my London Evening Standard column today, bewildered Sun journalists are asking how Murdoch of all people got himself into such a fix.
