sentences:  Following his service, Knotts worked as a police officer for the Columbia Police Department, a detective, and an assistant coroner before entering politics.Knotts married Betty Lee in 1965, with whom he has two children, Michelle Nicole and Tara Marie.Knotts was a prominent critic of governor and fellow Republican Mark Sanford and was a leading critic of the governor following his disappearance and admission of an extramarital affair.