An internal investigation into the Upper Cumberland Development District may have inner problems of its own. Questions have been raised about some of the UCDD members selected to help investigate.During last week’s special called session of the UCDD Executive Committee, it was announced that members of the board would be assigned to a committee to help attorney Bob Walker in his internal investigation into any problems within the organization.According to development district vice chairman and Warren County Executive John Pelham, he will be on the committee with UCDD chairman Mike Foster, and board members Kim Blaylock and Ron Cyrus.“I was asked to be on the committee,” said Pelham. “As chairman of the Upper Cumberland Development District board, Mike will also serve on the committee.