He found a footprint of a giant man over 4 feet in length in solid stone. This would make the Giant Man over 27 feet tall well above Goliath at 10.6 feet mentioned in the bible.
Here is a comparison of size to a 6 foot man and the giant man over 27 feet tall. We would only be able to reach him just below the nee at this size.
Do not be fooled our government is hiding crucial evidence that prooves an angelic race once lived on this earth and will come back during the tribulation. As Jesus said as the days of Noah were so shall it be in the coming of the son of man.