they both lie , their body language shows they want to distance themselves , especially the first guy , leaned al back and to the side , the second , was nervous , dry mouth , swallowed few time too many , and kept a barier between himself & the people / subject matter. "ufos" are probably secret projects ( speeds of 500 miles per hour seemed intergalactic speeds at the time )

Book suggestion: The Day After Roswell by Col. Philip J. Corso