Cristina Balan, ex-Tesla engineer and whistleblower, labelled billionaire Elon Musk "pure evil" after a California judge reopened her dismissed defamation case against Tesla on April 17. Balan, a cancer patient, claimed she was fired in 2014 after raising concerns about a braking issue. "I started this lawsuit to prove my innocence and…how vindictive this monster is,” she said.