Doubtful. He told them one thing and did another. No surprise. And btw parents often seek to protect their children when they are in trouble.
They gave him a 5 day head start. Smells like they're helping him. Better check their bank accounts, credit cards, any recent sign ins to their safety deposit box and see if they've purchased burner phones or used their airline miles to a non-extradition country.
Either way, they're likely despised in the neighborhood and will have to move. The sale price will be very disappointing.