The source went on to suggest the interview may take place at her Washington, D.C. home.
The bureau’s interview with the presumptive Democratic presidential nominee is believed to be the final step in its investigation into the potential mishandling of classified information on Clinton’s private email server.
Hundreds of now-classified documents -- some of them "Top Secret" -- were sent and received through Clinton’s private server, which she housed at her New York residence during her tenure at the State Department.