Crime Watch Daily investigates the blockbuster case of Lacey Spears, a Kentucky mother who set off on a desperate journey to find a cure for son’s unexplained illnesses.

Watch John Glatt on “Crime Watch Daily with Chris Hansen”

“She always wanted to be looking after children and when she left school, she went into child care, and when she started taking care of children, people would notice how much more time she would spend with the children than everyone else,” said author John Glatt, who wrote My Sweet Angel: The True Story of Lacey Spears, the Seemingly Perfect Mother Who Murdered Her Son in Cold Blood.