I have to go, but last comment here; according to the theory of evolution, I'm pretty sure the Neanderthals and Homosapien were two different chains, which were around about the same time (whereas the Neanderthals ended up going extinct or cross-breeding with Homosapien); I may be wrong though.
here's one of the latest theories...
One of science's most puzzling mysteries - the disappearance of the Neanderthals - may have been solved. Modern humans ate them, says a leading fossil expert.
The controversial suggestion follows publication of a study in the Journal of Anthropological Sciences about a Neanderthal jawbone apparently butchered by modern humans.
Now the leader of the research team says he believes the flesh had been eaten by humans, while its teeth may have been used to make a necklace.....