The negative outcome after one submits a written work that contains a critical error or errors, due to reliance on a word processor's imperfect spell checker function. Many job seekers suffer death by spell check after submitting a résumé riddled with errors.

One who attempts to verify the accuracy of information that will be or has been published or circulated. Typically done as part of a journalistc enterprise. Our fact checker has not been able to verify some of the statements in the article you wrote. The increase in the number of fact checkers is a great thing for journalism, but we need more investigative reporters, too.