To the prosecution, the witnesses who watched George Floyd ’s body go still were regular people — a firefighter, a mixed martial arts fighter, a high school student and her 9-year-old cousin in a T-shirt emblazoned with the word “Love” — going about their daily lives when they happened upon the ghastly scene of an officer kneeling on a man’s neck. “Normal folks, the bystanders,” prosecutor Jerry Blackwell called them in his opening statement. “You’re going to see these bystanders, a veritable bouquet of humanity.” In his closing argument on Monday, prosecutor Steve Schleicher described how Derek Chauvin, the former Minneapolis police officer charged with murder and manslaughter in Floyd’s death, stayed on top of Floyd and “continued to push