Now , his wife has left him and taken their two sons .
Three years before , he left the force after shooting a black teenager brandishing a toy gun at a local shopping mall ; the guilt became so unbearable that he collected his pension early .
His wife has left him and taken their two sons .
Three years before , he left the force after shooting a black teenager brandishing a toy gun at a local shopping mall ; the guilt became so unbearable that he collected his pension early .