They were last seen in 1975. We are live in hyattsville with more on the story. Say it is hard to believe this grandfather in his 70 plus is the man police are talking about but police say they believe he is connected to the decadesold cold case. Good night is all this woman had arrived home. E Richard Welsh of senior. He seemed rome nice. They keep to themselves. March, 1975. , catherine ka lyonne and sheila disappeared. Lloyd welch has been talking to investigators from this prison cell in delaware. That information led them to virginia to property owned by the welch family where they have been searching the Taylor Mountain area for any trace of the girls. We are doing our darndest. It seems like every rock we turn over, we develop a lead. Now theyre are asking for anybody with information on Richard Welch to tell what they know. There are people in these communities that know what happened back then and they will carry it with them today. It is not only the responsibility as a citiz