I can't remember which one of us was the bigfoot enthusiast, but I just watched Monsterquest (I know.. lulz....sue me), and they "found" hair (long & thick like from a horses tail) which they took in for analysis and were told that it did NOT match any known species, but that is most closely resembled a primate.
I like that show, but I think mostly because the host is basically a funny jackass much like myself.