SALEM, Ore. — The first dead bull was found in a timbered ravine in eastern Oregon. There was no indication it had been shot, attacked by predators or eaten poisonous plants. The animal's sex organs and tongue had been removed. All the blood was gone. In the next few days, four more Hereford bulls were found within 1.5 miles in the same condition. There were no tracks around the carcasses. Ranch management and law enforcement suspect that someone killed the bulls. Ranch hands have been advised to travel in pairs and to go armed. Ever since the bulls were found...