Meanwhile , the invisible occupant of the UFO passes through an electronic fence set up around the crash site , escaping into the outside world .
She also claims that the wreckage has been identified as a downed Libyan fighter jet ; Mulder dismisses this explanation .
The invisible occupant of the UFO passes through an electronic fence set up around the crash site , escaping into the outside world .
She also claims that the wreckage has been identified as a downed Libyan fighter jet ; Mulder dismisses this explanation .