There are other stats in play, too. For example, 30% of Americans know a murder victim. 50% have dealt with gun violence. The jury system narrows down to people who can focus on the law and follow the judge’s instructions. The pool of potential jurors is huge. It’s been rare that a trial has changed counties in any state because too many people in a county have strong feelings about the victim or perpetrator. I could see lesser murder charged being brought to keep motivation out of the trial, though. And yes, rule nothing out (in any trial.)