For the second time, Yolanda Olejniczak Marodi has been found guilty of killing a spouse — both times with a knife. On Tuesday in San Diego County Superior Court, Olejniczak Marodi, 54, confessed to killing her wife, 49-year-old Cal Fire Capt. Olejniczak Marodi pleaded guilty to second-degree murder and said she used a knife in the killing, Sierra said. Rebecca Marodi was a decorated captain with the California Department of Forestry and Fire Protection and helped battle the Eaton fire. Friends of Rebecca Marodi said that Olejniczak Marodi exhibited “controlling, isolating behavior” prior to the murder.