UPDATE Suspect shot by a sniper. Via USA Today: The gunman who riddled Dallas police headquarters with gunfire early Saturday and planted pipe bombs is believed to be dead after being shot by a sniper. After leading officers on a 10-mile chase in an armored van, the sniper opened fire through a windshield after parking … Continue reading Suspect Opens Fire On Dallas Police HQs, Police In Standoff With Suspect, One Explosion Reported…UPDATE: Suspect Shot, Not Clear If Dead Or Alive