Looks to me like the right hand photo was maybe stretched vertically. Otherwise, they do look different.
DNA and/or fingerprints would tell us.
I think you’re right. Forhead, beard, nose all longer. Also looks like they plumped him up to go along with the posed smile. The full picture he’s still dressed in a ratty-assed sweatshirt or something, baggy knee pants and clodhopper shoes.
He looks like a homeless bum, frankly.