Alexander Jackson, an Eagle Scout, called 911 to report a mysterious intruder killed his parents and sister, and shot him in the leg. But as they interviewed Alexander in the hospital, detectives began to suspect Jackson wasn't telling the whole truth.

Outwardly, Mark Jensen seemed to be a mild mannered, loving husband--grieving over the suicide death of his wife. But when police found traces of antifreeze in her autopsy, they started to question what was really going on at home.