The Brief An Oakland mother and her boyfriend have been charged with felony child abuse after her 5-year-old son became unresponsive and was later found to have fentanyl and cocaine in his system following dinner. An Oakland mother and her boyfriend are facing child abuse charges after the woman's 5-year-old son passed out after dinner and was later found to have fentanyl and cocaine in his system, authorities said. The boy was taken to UCSF Benioff Children's Hospital Oakland, where toxicology tests confirmed he had fentanyl and cocaine in his system, according to authorities. Shortly after the incident, the boy had to be intubated and was reported to be in critical but stable condition. Mother and boyfriend arrestedWhat we know:Rothenberg told officers she put the boy to bed around 8 p.m. About 15 minutes later, she told her father the boy appeared to be sick.