The death of Lucas Hernandez's step mom has left many unanswered questions about the death of the 5-year-old Kansas boy. Why was Lucas's father the one who discovered Emily Glass fatally shot in the house where he no longer lived? What did Jonathan Hernandez know about Glass's physical abuse of little Lucas and about his death? Why did Lucas not get help from Kansas child protection workers? Nancy Grace searches for answers with a former Kansas social worker familiar with the case, psychologist Susan Constantine -- who specializes in detecting when people are lying, forensics expert Joseph Scott Morgan, Atlanta juvenile judge and lawyer Ashley Willcott, and CrimeOnline reporter Leigh Egan.

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