The guy is now opening his own gallery with my stolen work
[link]----------
edit 7: I was told the prints are still being sold through offline events/shops such as Hardcore 101 and the 4th Ave winter street fair
edit 6: the prints were removed from the website I linked below.
edit 5: found another website where the guy is selling the prints
[link]edit 4: the shop sindicater.bigcartel.com replied to my request for the prints to be removed and they are not on sale anymore.
edit 3: the prints have been removed from Vintage Religion website.
edit2: the images have been removed off Facebook galleries except for this page
[link]edit: Just found out that the thief is this person
[link]I was told there might be other artist's works that have been stolen and used. So I advise people checking the albums if they can recognise any other copyright infringements.
Thank you to everyone who helped gathering information about the issue.
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I just want to hear people's advice on this matter! Please don't take any actions on your own.
I was just notified by a Deviantart member that my photos were stollen, photoshopped and exhibited in a shopping mall in the USA

I did some research and found the two prints are being sold on this website:
[link]AND on this website:
[link]They are even on Facebook
[link]I have absolutely no experience with art theft so if anyone has any advice on what to do, I would appreciate it.