It has been alleged that the U. S. and Israeli governments led archaeological digs in the past, which discovered the True Cross, on which Jesus Himself was crucified (along with many others, as crosses were reused). The theories disagree on the location, most claiming Jerusalem, many claiming Rosslyn Chapel in Scotland, or various places in England.
Minute traces of blood were discovered on the cross and analyzed. The DNA was of several strains, and one was encoded not on a double helix, but on a triple helix! Is this good stuff or what?! The DNA is unlike any other known, and was labeled as a new species, Homo superioris.
The theory continues that there are other people of this species currently living underground in various places around the world, including most of the major cities, and they have been around as long or longer than Homo sapiens. Jesus made the unprecedented decision to come up to the surface and live among us, and try to teach us to be good, and kind and peaceful.
His species possesses phenomenal supernatural abilities, including telekinesis, levitation (walking on water), telepathy (knowing people’s thoughts), healing, etc. They are also very difficult to kill, and when no one was looking, presumably during the freak storm and earthquake, Jesus got down off the cross and disappeared, having done his job. This ties in with the Jesus bloodline theory.