Owned by data vendor CoreLogic, Teletrack has a database of background information on the over 39 million financially-distressed consumers who frequent payday loan shops and rent-to-own stores.

FORBES: Credit Check Company Fined $1.8 Million For Selling Info on High-Risk Consumers To Marketers

"A background check is only as good as the records in the database, so I think we all have a responsibility to report" mental-health records.

WSJ: Systemic Gaps Hinder Background Checks for Gun Purchases

Ninety-one percent of background checks are completed instantaneously, and they don't lead to a government database.

CNN: Mark Kelly: Gun loophole makes no sense