Erik Menendez, left, and his brother Lyle  listen during a pre-trial hearing on December 29, 1992.
Mandatory Credit:	Vince Bucci/AFP/Getty Images via CNN Newsource

Erik Menendez, left, and his brother Lyle listen during a pre-trial hearing on December 29, 1992.
Mandatory Credit: Vince Bucci/AFP/Getty Images via CNN Newsource

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A timeline of the Menendez brothers’ murder case and the push to reexamine it

The question for prosecutors reexamining the murder convictions of Lyle and Erik Menendez is not whether they killed their parents, but how culpable they really are.