New York (CNN Business) Jeff Bezos, the Amazon founder and chief executive, published an explosive blog post Thursday evening accusing the National Enquirer of blackmail and extortion.

In that post was one line that stood out.

Bezos wrote that "numerous people" have contacted his investigative team about "similar experiences" with the National Enquirer and its parent company, American Media Inc.

Who are those people? And, more importantly, what other "similar experiences" were they referring to?

A person familiar with the National Enquirer's operation, who spoke on the condition of anonymity, told CNN Business that there were indeed similar situations between the National Enquirer and other individuals.

Read More