India, July 26 -- The story of Dr. Karyna Shuliak, a 47-year-old Belarusian American dentist, has been one of the least talked-about aspects of the Jeffrey Epstein probe.

Epstein's "last girlfriend" and also the last person he called before his 2019 death, many believe the crucial details of the late sex offender's final years may be known to her - offering the key to the purported mystery around Jeffrey Epstein's death.

But the Belarusian-American has been under the scrutiny of watchdogs ever since it was revealed in the DOJ's 3 million pages of Epstein files disclosures that emails showed she shared an intimate relationship with the disgraced financier. She could also potentially be the only heir to Epstein's $100 million net worth at...