KATE and Gerry McCann could sue Portuguese cops for £1million for failing to find missing daughter Maddie.

Top Portuguese lawyers are said to believe that if or when the case is wound down and “archived�the McCanns could sue the state.

Carlos Pinto de Abreu, one of the McCanns�Portuguese lawyers, said it would be “technically possible�to sue the Portuguese police for their failure to find Madeleine, who vanished from the family’s holiday flat in Praia da Luz on May 3.

A source close to the McCanns said last night: “Suing is something they will consider but they can’t concentrate on anything but finding Maddie.

The McCanns, of Rothley, Leics, have already put into action plans for libel cases against Portuguese newspapers.

Family spokesman Clarence Mitchell said yesterday: “It is a matter for their lawyers.�