Ruby Franke, a former YouTube family vlogger from Utah who was sentenced last month on child abuse charges, detailed months of abuse in handwritten journal entries released Friday by prosecutors. In the heavily redacted entries, Franke repeatedly insisted that her son was possessed by a demon. In one entry from July 11, 2023, she wrote that it was a “big day for evil” and described an incident when her son was pushed into water and she held her hand over his nose and mouth.She wrote that she did that to help the boy. In another entry, Franke called her daughter “manipulative” and…