The Federal Trade Commission is seeking more information about Amazon employees' use of the messaging app. The company says its claims are "baseless."

Now, The Washington Post (which is owned by Amazon founder and former CEO Jeff Bezos) reports that Amazon is just one of several companies recently accused of turning to encrypted messaging apps like Signal that can permanently erase messages automatically.

The Federal Trade Commission is accusing Amazon founder Jeff Bezos and others of using disappearing messaging apps to conceal potential evidence in the agency’s landmark antitrust case.

According to a court document viewed by Engadget, the Federal Trade Commission accused Amazon of using Signal’s disappearing messages feature to conceal communications as part of its antitrust suit against the company.

In its filing, the FTC said it seeks "to compel Amazon to produce documents related to the company’s failure to preserve Signal messages, namely Amazon’s document preservation notices and its instructions about the use of ephemeral messaging applications,