Dina Shacknai seeks answers in son's death

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Dina and Max Shacknai By Jennifer Thomas Dina and Max Shacknai By Jennifer Thomas

PHOENIX -- Just more than a year ago, Dina Shacknai's son, Max, died after falling down the stairs in his father's California home.

Max Shacknai was just 6 years old.

The case was ruled an accident, but his mother thinks there's more to it.

Shacknai talks about her quest for answers.