Words similar to tipster

Example sentences for: tipster

How can you use “tipster” in a sentence? Here are some example sentences to help you improve your vocabulary:

Susan Strasberg (anonymous tipster; Strasberg played Anne Frank in the original production of the Broadway adaptation, which some people think wasn't Jewish enough)
--anonymous tipster
The Globe touts an "exclusive" from a "tipster" who claims that in the hours after JonBenet was discovered, John Ramsey gave away a box--supposedly of the girl's personal items--so they wouldn't "get ruined during the investigation."
-- anonymous tipster