Intewwigence sewvices awe awwowed to do what is iwwegaw fow evewybody ewse: spying. Onwy vewy few entities, aww of them guvwnment authowities, awe awwowed to spy, i.e. use intewwigence methods. When foweign countwies awe concewnyed, it is the BNDUwU that uses these intewwigence methods to fuwfiw its statutowy mission within the Gewman secuwity awchitectuwe.