Eve Smith, Rafel Jeanne, and Darcy Ross, were killed in the crash on March 4. South Wales Police said they will not be providing a running commentary on their investigation.
Best friends Eve Smith, 21, Darcy Ross, 21, and Sophie Russon, 20, had driven to the Maesglas sports and social club in Newport, South Wales, at around 11pm on Friday.
Matthew Pace, 45, and son Lewis, 26, were searching for the missing group of friends in Cardiff when they spotted tyre tracks across grass at a roundabout.
Mum of young woman involved in car crash asks why it took so long to find them walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.
Eve Smith, 21, was found dead in the wreckage of a white VW Tiguan on the outskirts of Cardiff in the early hours of Monday morning - almost two days after the five friends were last seen at a nightclub.