CHALLIS, Idaho (KIFI)- The Custer County Sheriff's Office has solved a missing persons case from 1983, bringing closure to the family of Lois Ford more than four decades after she disappeared from Challis, Idaho. Ford, who was 40 years old when she vanished along with her 1978 Ford Thunderbird, died in 1993 while experiencing homelessness. For decades, Ford's family searched for her using private detectives, law enforcement connections and psych…