Hoax and Double-Hoax

Loren Coleman has a good column on Cryptomundo potining out an important consideration concerning claims a cryptozoological sighting, photo, or film is hoaxed. There are hoaxes, of course - I'm sick of blobby Sasquatch pictures and videos - but it's not automatic that the "whistleblower" is telling the truth.  Coleman's cases are the deathbed confessions of hoaxing the "Surgeon's Photograph" of the Loch Ness Monster and the Patterson-Gimlin film. There are others...