We haven’t talked to these guys, but it’s hard to imagine that they are making up this story. They also present evidence, a hand print left on a car hood that was made into a cast.
However, it seems they are holding back part of the story. What happened after the initial encounter in the forest? Were they abducted? Did they experience missing time? Whatever it was they experienced was shocking enough that these two men, who had regularly camped in the forest, never went on another camping trip there, not since 2002.
Here’s a you tube about it: