Buried in the Backyard: What Happened to Rosemary Christensen? (Season 2, Episode 8)

"When a long held secret in Belleair, Florida threatens to expose a deadly truth, investigators work to unravel a baffling mystery. Did the dark life of a beloved mother put her in danger, and will a husband's desperate pleas be the key to solving this case? What happened to 43-year-old Rosemary Christensen?"