Detectives investigating the killing of two police officers in western Germany on Monday have seized a large arsenal of weapons from the suspects. According to security sources, police found five handguns, a bolt-action rifle, 10 other long guns, a crossbow, a silencer and ammunition during a house search in Spiesen-Elversberg, a small town in Saarland. Two long guns were discovered in the house of the second suspect, they said. The 32-year-old had declared his willingness to testify. Investigators reportedly assume that a 38-year-old suspect who was arrested on Monday evening had access to th…