Joanne Segovia, ‘Breaking Bad’ grandma accused of running opioid ring, pleads guilty to drug charge
But in August, after nearly a year of postponed hearings during which time Segovia may have been cooperating with the feds, prosecutors informed a judge they mistakenly identified one of the drugs she was allegedly peddling as fentanyl when, in fact, it was Tapentadol, Gasner confirmed.