The two-day proceeding could end with a reduction in their sentence that would be a major win for the siblings jailed for their parents' 1989 murders.

Erik and Lyle Menendez 's much-anticipated resentencing hearing will be held Tuesday and Wednesday with lawyers set to battle over whether the brothers should get a lesser sentence, clearing the way for a potential release from prison. Defense attorney Mark Geragos, who is pushing for their release, said he plans to call seven witnesses.