Investigators were trying to figure out Friday what led an elevator door to malfunction at a former Colorado gold mine, killing one person. Four others were injured and 12 people were trapped for hours at the bottom of the tourist attraction 1,000 feet (305 meters) beneath the surface. The elevator was descending into the Mollie Kathleen Gold Mine near the town of Cripple Creek in the mountains near Colorado Springs when it had a mechanical problem about halfway down. Colorado mines that operate as tourist attractions must designate someone to inspect the mines and the transportation systems daily.
