Convicted Double Murderer Betty Broderick Died After Serious Fall, Septic Infections: Betty Broderick — the woman who fatally shot her ex-husband and his new wife back in 1989 — died in the ICU Friday following a number of health issues, TMZ has learned. Betty’s son, Daniel Broderick, tells TMZ … she had a number of septic… #BettyBroderick #TrueCrime #MurderMystery #SepticInfection #CriminalJustice