In January 2008, a shadow was cast over the town of Stephenville, Texas, when a UFO passed overhead at supersonic speed. The event was witnessed by scores of stunned locals who remain desperate for answers on what exactly they saw that winter's evening. Craig and space journalist Sarah Cruddas talk to eyewitness private pilot Steve Allen who was with friends when he saw a vast UFO passing overhead at a speed estimated to be 2,000mph. He describes the craft as having an array of bright, high-intensity lights at its rear - and pursued by two US Air Force F16 fighter jets. The team discovers that the US military, who initially denied any knowledge of this event, changed their story in the weeks following the incident, adding fuel to the theory that there could be a high-level cover-up
