A specialty car and motorcycle-loving couple disappear. Did they take off for life on the road or did their disappearance signify something much darker? Episode Info Cathy Nelson (left) and Chuck Russell (right) Photo courtesy of MysteryU.com Cathy Nelson (left) and Chuck Russell (right) Photo courtesy of MysteryU.com Billboard / Missing Persons Chuck Russell (left) and Cathy Nelson (right) Photo courtesy of Arizona Daily Star Billboard / Missing Persons Chuck Russell (left) and Cathy Nelson (right) Photo courtesy of Arizona Daily Star Additional Source Material Man arrested in 2002 Tucson double homicide Man convicted of killing Phoenix couple found dead in jail Arrest made in death of Phoenix couple last seen in ’02 Charley Project – Charles Martin Russell Charley Project – Catherine E. Nelson