Anonymous sources
Immigration Blog
The Syracuse Post-Standard, August 9, 2010 - Immigration Blog
One high-ranking ICE official, who asked not to be identified because he was not authorized to discuss the memo publicly, said agents at a major field ...
Immigration tops Mexico leader's agenda on US visit - Immigration Blog
... is of deep concern to the Mexican government," said the official, who requested anonymity because he was not authorized to speak on the record. ...