Wrong. Apple isn't the police. No one expect the law can question you. There might be issues getting the warranty honored, however. Sell it for parts? I'd keep it for awhile (2 Months) and see what happens.
Of course they can question you. Once they look up the serial number, they will ask. They will then confiscate the product (Because it was lost) AND alert the police.
They have done this before with a MR member who purchased a lost/stolen laptop on craigslist. His laptop was confiscated (100% loss for him) and he was questioned heavily by the police.