"To know what they're going to cover up, look at what they're warning about" is a useful adjunct to the well-established principles that "the truth is generally the opposite of what they say" and "to know what they're guilty of, listen to what they're accusing others of."

As an aside, it's fascinating how the Internet hive mind adapts to the pervasive dishonesty of regime media by developing a detailed epistemology of official misinformation campaigns.