Paolo helped Tony schedule a payment of £400,000 in Bitcoin currency to the kidnappers' account via an app he'd downloaded to the mobile phone. The payment would be approved at exactly 10pm to be transferred at Midnight, with the intervening 2 hours a 'cooling off' period in which it could be cancelled.
At 10pm exactly, sitting in Tony's car ready for the off, they received a text with the coordinates of the location, which Paolo quickly entered into Tony's satnav. Then they raced off. Tony was driving his own car for more control and gave Paolo charge of his mobile.