In 1996 a scientific researcher looking for gorillas found the skull of a chimp. He went back in 2000 and again in 2003 when the made contact with a group. That is 7 years to find positive, falsifiable proof. This was in the Congo... an expansive, rarely traveled jungle, not someone's back acreage in Michigan. Huge difference.
I suggest you do a little more research before repeating that to anyone else. Science does not agree with it in the manner you are presenting. Look up "Mitochondrial Eve".
		
		
	 
Science of course doesn't  agree creationism  but 3000 years ago people knew we all decended from one woman. 25 years ago science thought that was absurd , today "Mitochondrial Eve" existed  according to science .  
Yes the congo is remote but locals knew the "lion killers" Bili apes  existed  There are still remote areas in the U.S ..  There are no  wolves in East central Indiana/west central ohio  yet a wolf tagged in North west Wisconsin was killed east of Winchester Indiana  2005-6   Cougars aren't suppose to be in the East, Michigan denied reports for years yet in the last ten  years a wildlife officer reported one and one was hit on the road.    I was at a farm of a contractor working  for my employer  20 miles  from Cincinnati Oh  and saw live traps set by O.D.N.R.  for a cougar.  None were caught  but as big as the traps were and the effort to get them to were they were set was a lot of wasted energy and time if they didn't think there was something there.
Personally I think 99% of all bigfoot sightings are Blackbear  standing to smell the wind.  But when a  man who has hunted  black bear for 40 years all over north america that has been involved in way over 100 kills tells me what he saw wasn't  a black bear  I have to think. Native people living off the land  people who get off the beaten path and know wild animals see some thing  I have to think.  Look up the paiute red haired giants myth  
I am not saying there I 100% believe in bigfoot  science common sense and history tells me there is a slight posibility.
I am saying I don't think 2 cowboys with $2K had the know how to fake what I see on that film  them find some one built oddly enough to fit that . you cannot fake where joints bend. And what ever it is it does not move like a human. 
I will tell you this  legend has it it like to throw soccer ball size rocks  in your direction ,  a critter starts that crap I end the debate
Unless Some one flops a body down the debate won't end , unforunately in our world that is the only way  to prove something lives is to kill one
Richard you do make lots of valid points , unless someone flop down a body  it all just opinion  
Roy