whistle-blow

"We know from his lawyer's letter that the whistleblower isn't a whistleblower because the complaint, under the law, isn't recognized as a whistleblower complaint. You can't whistle-blow on the president. The law is very clear, you can only blow the whistle on someone in the intelligence community," said Jarrett, adding that the president is not a member of the intelligence community.

Petersen has become college football’s chief home flipper — transforming meh into marvelous, one whistle-blow at a time.

Many nurses face bullying and being belittled when they try to whistle-blow, a survey suggests.

I'm willin' to bet that more accidents happens in the hour before whistle-blow than in all the rest of the day.

I worked seventeen years in them mills, an' I've took notice that most of the accidents happens just before whistle-blow.*