A federal appeals court panel grappled Dec. 20 with how — or why — convicted Navajo double-murderer Lezmond Mitchell could question jurors from his trial 16 years ago about possible racial bias in their deliberations.A federal appeals court panel grappled Dec. 20 with how — or why — convicted Navajo double-murderer Lezmond Mitchell could question jurors from his trial 16 years ago about possible racial bias in their deliberations.