India, July 2 -- Justice Unresolved is a series of articles examining cold cases, disappearances and unsolved crimes that continue to haunt families and communities in America. The stories revisit the known facts, unanswered questions and latest developments in cases where the search for truth is far from over.

Shannon Cagle was just 23 when she was brutally murdered in her home in Mesa, Clovis, on July 23, 1985. The only daughter of Kenneth and Mary-Helen Cagle, and the youngest of four children, she was believed to have been shot dead execution-style, from behind.

Shannon's daughter, Desiree Cagle, now 44, grew up listening to stories about her mom, a woman who she was told was "kind, funny, warm, soft-spoken but strong, and cared dee...