Bodies of gunman , wife , two children found at Florida , Lakeland , home , officials say . Boy , 34 , was chased down street , fired at , but got away unharmed , officials say . Nathan was unhurt and will be placed with family members . Nathan used a high-powered rifle with scope , authorities say .
Bodies of gunman , wife , two children found at Florida , Lakeland , home , officials say . Boy , 34 , was chased down street , fired at , but got away unharmed , officials say . Nathan used a high-powered rifle with scope , authorities say .