Are you freaking serious?

It's not meant to be taken seriously. Although it's not specifically identified as fake, it's pretty clear within one episode that it's basically a spoof. They never capture anything in their Rube Goldberg-esque "traps", the pictures that are taken of the so-called creatures are all strangely fuzzy for being taken with high quality cameras (and the pictures are only flashed onscreen for a second or two), and they tromp around the woods at night yelling at the tops of their lungs, thereby effectively scaring off any actual wildlife. I'll agree it's a bit confusing at first because it seems to be advertised as a legitimate show, but just accept it for the slightly clever satire it's actually meant to be. :D

Okay then.

Look for the formula posted here. Short version:

On the way to their location, critter is described as biggest/meanest most dangerous yet

They meet with someone that has seen it, no video or audio

They go out into the woods at night

They meet with someone with a blurry photo, video or audio.

They build a trap

They go out in the woods the second night, fail to capture anything and go home, vowing to get 'em next time.

It's just good entertainment

I wouldn't be surprised if the show is from the same group that do the Bigfoot Hunters(?). That show is in it's 6th season!