whistle-blower

That tells us he may have been more than just a “whistle-blower.”

Beijing, it appears, was able to cover its tracks while obtaining information from the so-called whistle-blower.

Her prior experience as a Wall Street whistle-blower had not left her desirous of more tumultuous press attention.

The difference between a leaker and a whistle-blower is important.

What do an Israeli soldier, a Houston whistle-blower, and a Swiss border-patrol officer have in common?

Nay, amid all the scurry the whistle blower even took a few turns, stepping short as he did so, in order to rest his legs.