One witness claims Anna and Amanda Ramirez had been loudly fighting when Amanda went into the kitchen to get a knife before stabbing her sister in the chest, according to prosecutors.
Heather Reynolds covererd her son's nose and mouth with wipe containing isopropyl alcohol and detergent hours after expressing frustration that he was getting in the way of her extramarital affair, prosecutors say.
"Baby Jazmine fell victim to the very people who were supposed to protect her the most in this world,” said District Attorney Kim Ogg in laying out the charges against Jason Robin and Katharine White.