Gunman hit with “ultrasonic waves”

SOURCE: CNN.COM (CNN)The gunman who killed an officer in Northern California left behind a letter accusing the Davis police department of hitting him with “ultrasonic waves.” A man on a bicycle shot Davis police Officer Natalie Corona, 22, Thursday night as she responded to a triple-car crash in the city of Davis. He was later found … Read moreGunman hit with “ultrasonic waves”