A registered Level 3 sex offender living in Livingston County is back in jail for placing ads on Craigslist. Terri Havens is accused of violating the conditions of his parole. Havens is classified as the most dangerous level of sex offender. Havens allegedly posted an ad looking for a personal aide. The woman who responded recognized his name and called police. Any access to the Internet is a violation of the terms of Havens' parole. Parole officers conducted a search of Havens' apartment and confiscated his smartphone. He is also accused of violating his curfew. Havens served 13 years in prison for sexually abusing a five-year-old child. He now faces a parole hearing and could be sent back to state prison.