Exclusive License To Kill Bonus: Majors' Empty Potassium Vials Were A Key Piece Of Evidence For Investigators oxygen Insider Exclusive! Create a free profile to get unlimited access to exclusive videos, sweepstakes, and more! Sign Up for Free to View License To Kill Bonus: Majors' Empty Potassium Vials Were A Key Piece Of Evidence For Investigators The vials of potassium that Orville Lynn Majors used to murder his patients were key pieces of evidence for prosecutors. Watch the Full Episode
