According to the complaint she told officers “it’s all my fault” and that she didn’t want her brother to get in trouble. She asked police to book her, telling detectives: “So, I don’t care, he raped my daughter ... she told me everything.” Her hands also tested positive for gunshot residue, according to the complaint. Serbu’s daughter reportedly told her mother over Memorial Day weekend in 2016 that Sierra sexually assaulted her on two separate occasions several years prior — when she was just six years old. Police said Serbu often talked to friends and other witnesses about wanting to...