By Rob Lenihan A scam known as ‘pig-butchering’ is claiming victims around the world in a rip-off that can start off with a simple message. One of the oldest con games in creation is known as “pig in a poke.” The scam dates all the way back to the Middle Ages, when quality meat was scarce and people would fork over very large amounts of dough for pigs and cows. DON’T MISS: Don’t Fall For These Scams During Tax Season The victim would pay for a piglet in a sack — also known as a “poke” — only to go home and find they had just purchased a cat instead of a porker. Centuries later we’re still deal…