A former student armed with a semiautomatic pistol and a revolver who killed four people and wounded 12 in two schools in Brazil had a swastika pinned to his vest and had been planning the attacks for two years, police said. The shootings took place Friday at a public school with elementary and middle school students and a private school, both located on the same street in the small town of Aracruz in Espirito Santo state in southeastern Brazil. Three teachers and a student were killed. Five of the wounded remained in the hospital. About four hours later, the shooter,...