The reliquary which stands in the inner shrine is known as the Augsberg Reliquary. It is a modern copy of a silver monstrance dated 1547, and it has been modified to display the relic, a bone fragment, of St. Jude. The veneration of relics raises all kinds of questions in the modern world.
To read an excellent text about relics by the eminent Carmelite theologian Fr. Christopher O'Donnell, O.Carm., please view here.