Elke and Steven are grieving the devastating loss of their 3-month-old son, Lucas, who died tragically in May of last year. As if living through the unbearable loss is not enough, the circumstances of Lucas’ death are still a mystery. Steven says he’s now under investigation but is innocent and would never hurt his child, and his girlfriend, Elke, believes him. His mother, Melissa, wrote to Dr. Phil desperate for help because she says she suspects Elke is responsible for her grandson’s death. Elke says she would never hurt her child, and she’s still in shock at the loss of her infant son

Watch more from part two, "Who Killed Baby Lucas?"

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