German prosecutors are trying to sort out what to do with a 1,400-piece collection of mostly Nazi looted art that was discovered two years ago. The investigation is proving to be a challenge. Competing claims on some works have surfaced and Germany’s 30-year statute of limitations on stolen art has expired. German officials have now announced they’ll return most of the art.German prosecutors are trying to sort out what to do with a 1,400-piece collection of mostly Nazi looted art that was discovered two years ago. The investigation is proving to be a challenge. Competing claims on some works have surfaced and Germany’s 30-year statute of limitations on stolen art has expired. German officials have now announced they’ll return most of the art.