Three-year-old dog attacked Wallace , 62 , on Sunday . Police say he was trying to rescue housemate David Roy Higgenbotham Jr , 63 . The two appear to have lived separately but at the same address . Investigators believed Higgenbotham was trying to save Roy Higgenbotham Jr .
Three-year-old dog attacked Roy Higgenbotham Jr , 62 , on Sunday . Police say he was trying to rescue housemate David Wallace , 63 . The two appear to have lived separately but at the same address . Investigators believed Higgenbotham was trying to save Wallace .