Because while Daniel thought he was in control of the situation, Claire had written everything down. Gloria was embezzling money via false invoices in her company's accounting. Vanessa had used her bank card to treat herself to luxurious getaways. As for Daniel, he had a secret affair with his former assistant, who was reckless enough to send messages from a tablet connected to the family wifi.
They had not only betrayed Claire. Without knowing it, they had fabricated the evidence of their own betrayals.
