He stopped his car near a flyover to talk to his elder brother on the phone. Mr Narin told police he decided to give chase. One, whom Mr Narin insisted was Phanuphong, thrust a knife at his throat, ordering him to hand over his valuables. A car driver later admitted to police his car hit a motorcycle on which the teen was a pillion rider. They fled after Mr Narin gave them 4,700 baht cash and a mobile phone.