Trying to explain 'imprinting' to my nan.

Me: ...so yeah.
Nan: So he's [Jacob's] a pedo?
Me: No, nan. He's not a pe- ...
Nan: But you just said he imp- did that thing to that little girl. He's a pedo.
Me: He's really not a pedo, nan. It's just hard to explain.
Nan: Don't sound hard. Unbelievable what you can get away with in foreign countries. You'd get arrested for that shit here.
Me: ...