Basically, someone on a facebook group is trying to convince people that he bred and hatched a legit Ditto by leaving his solo ditto in the daycare overnight.
Of course, I know this is 99.999% likely to be utter crap, but I'm having trouble finding any way he could have inserted an egg into his daycare, there are no AR codes that I can find or anything.
He owns a legit cart, and plays on a 3DS if that makes any difference.
Is there a way to do this with Save hacking, or cheats in any way?
Sorry if this is out of place or anything, the first place I think of to come to for save editing is always here.
Edit: OOPS. Forgot to mention, this is on Pokémon Black.