MINNEAPOLIS (AP) — A Minnesota police officer was acquitted Friday in the killing of a black motorist that drew widespread attention when video of the shooting's aftermath was streamed live on Facebook. Key figures in the manslaughter trial of St. Anthony police officer Jeronimo Yanez in last July's death of Philando Castile: Castile, 32, was a longtime elementary school cafeteria worker who family members described as loving and laid-back. Quick with a high-five for students and always eager to sneak kids extra graham crackers and other treats, Castile was known simply as "Mr.