Houston Police DepartmentTexas authorities on Monday released footage capturing the harrowing moments before, during, and after a woman walked into celebrity pastor Joel Osteen’s Houston megachurch and opened fire earlier this month, an incident that ended in her death at the hands of two off-duty officers. Two other people were injured in the attack, including the shooter’s 7-year-old son, who remains hospitalized in critical condition.The video, posted on the Houston Police Department's Critic