Frenzied

LIVE . . . WORK . . . PLAY . . . DIE . . . South Haven is the premier mixed-used community in metro Atlanta, a vibrant place where old-fashioned country living gets a modern update. There’s the town square where residents watch family movies on the lawn on warm summer nights. The corner market stocked with organic foods. The bakery with fresh coffee and Wi-Fi. The stately homes on shaded, gently winding streets. The water park where children splash, laugh, and run . . . There’s also something deadly lurking. The first incident is dismissed as an a college student goes berserk and hacks his…