Elizabeth Holmes, the disgraced Theranos founder serving prison time for defrauding investors, has made threatening statements from behind bars suggesting retribution against those she blames for her conviction. Her remarks reflect ongoing bitterness over the 2022 trial that exposed how she misled backers about her blood-testing company's capabilities, inflating its valuation to over $9 billion. The statements underscore the volatility surrounding one of Silicon Valley's most notorious fraud cases and raise questions about Holmes's mental state while incarcerated.