The team digs for clues about U.F.O.s in the New Mexico desert, with forensic specialist Lisa Van Camp filling in for Deborah Dobrydney.
With a head start on the rest of the team, Bill marks off the area believed to be the place where, in July 1947, rancher W.W. "Mack" Brazel found metallic debris scattered across the desert. Eyewitness accounts stated that something left a gouge in the ground. Doleman directs a crew to dig holes in the ground and sift the earth, looking for evidence.
When the rest of the team joins him, Bill shows them a photo of excavation work he conducted in 2002. In the very same spot, he uncovered a line in the side of a trench. He thinks it might have been evidence of an old gouge in the ground, where a U.F.O. could have struck the earth with a glancing blow.
Dr. Dave Heinman and his assistant search with a high-resolution metal detector and ground-penetrating radar, which searches for disturbed soil layers. With the metal detector, Lisa finds a curved piece of metal 6-7 inches long, but the debris proves to be just part of a bridle.
On the second day, Don Schmitt and Tom Carey, researchers conducting research on the Roswell case, assure the team that they are undoubtedly digging in the right spot. They say witnesses, including Bill Brazel Jr., the rancher's son, have described seeing a trench 10 feet wide, a few inches deep and almost 500 feet long. Even the Air Force acknowledges the area as the site of the debris — though it claims a balloon crash as the source.
Mack Brazel's granddaughter, Yvonne, one of the few people still alive who spoke with him, tells the team that her grandfather found metal debris that he could not cut. She adds that the military came out to the pasture and walked across it shoulder to shoulder, picking up pieces, and inspected all the barns on the ranch and emptied the water from a steel tank. She aleges she overheard Brazel say "the poor little creatures" when describing the bodies he had seen, implying they were not human.
Rich and Lisa drive to Hangar 84 of the U.S. Army base in Roswell, N.M., to meet an eyewitness who is coming forward for the first time. The man, who had worked at Roswell Army Air Field in 1947, wishes to remain anonymous for fear of losing his pension. He says he saw wreckage with atypical burn marks and, at the hospital, a small creature that he does not believe was human.
Roswell expert Stan Friedman tells Rich, "there's no question that [government officials] have been lying through their teeth" about what really happened, because of a legitimate concern for national security at the time. He says eyewitnesses like Mack Brazel were told to keep quiet or be killed. Friedman also discounts claims by the military that the creatures were actually crash-test dummies and that the material discovered was related to military balloon technology. Rich believes there was a cover-up.
Back at the dig site, signals from the ground-penetrating radar reveal bedrock near the surface, not a furrow. An attempt to unearth a furrow with a backhoe front-end loader by shaving across the ground is also unsuccessful.
Bill concludes that more research might need to be done, because the team was unable to confirm for certain that it was searching in the right place.