Security video of a car speeding from the Texas home of a father gunned down on his 29th birthday while defending his wife and two young children from intruders was released by authorities desperate to identify the suspects and bring them to justice. Brenton Estorffe, an Australian native raising his family in the Houston suburb of Katy, was shot to death early Wednesday while attempting to fight off at least two men who broke into his residence, according to Fort Bend County Sheriff's Office investigators. "He wrestled those two blokes away from his wife and kids," Estorffe father, Michael Estorffe, told The Australian newspaper before flying from Australia to Texas to be with his son's grieving widow and children.