This is the fourth time I'm gonna explain this to you Steve:
Theory, in the scientific jargon, has a different meaning of theory as we use it in a day by day. Theory, when scientifically speaking, is something that has been proved again and again and all evidence points for it to be correct. Is not only a hunch.

For those discrediting human evolution, you could start here:
[link to en.wikipedia.org (secure)]

There is a big list there. Be sure to go ahead into the "further reading" and "references" section. There is a LOT more to learn there.