Missing aristocrat Constance Marten and her partner Mark Gordon are in police custody after being arrested in Brighton. Sussex Police said an urgent search operation is underway to find their baby, who remains missing. Today's podcast brings you live updates from the scene with Mark Williams-Thomas and Brighton Argus reporter Andrew Gardner.

Hosted by Mark Williams Thomas and produced by Jameel Miah and Jody Doherty-Cove. Talking True Cases features conversations with reporters, journalists, experts, law enforcement, and others to discuss some of Britain's biggest cases, crimes, the justice system, and more.