Send news tip to FOXNews.com

Manson Murder Mystery in Death Valley

• AP
• AP
• AP
• AP
• AP
• AP

• March 15: The abandoned Barker Ranch house in the Panamint Mountains west of Death Valley National Park, Calif. Charles Manson and his followers retreated to the Barker Ranch after a killing spree during the summer of 1969.
• March 15: Charles Manson, seen here during a 1986 court hearing.
• March 15: Dr. Mike Karch looks over an abandoned miner's truck that has Helter Skelter written on the back of it behind the Barker Ranch house in the Panamint Mountains west of Death Valley National Park, Calif.
• March 15: Marc Wise, left and Arpad Vass use cutting edge technology to measure the gas coming from a target site behind the abandoned Barker Ranch house.
• March 15: Debra Tate, sister of murder victim Sharon Tate waits for scientists and investigators to begin working behind the abandoned Barker Ranch house.
• March 15: Trash litters the breezeway at Barker Ranch House, refuge of Charles Manson in this Dec. 5, 1969 file photo.