sentences:  The Bureau also hosts field offices in Tampere, Turku, Mariehamn, Joensuu, Oulu and Rovaniemi.The headquarters houses the Crime Museum, which holds about 6 000 pieces of criminal history, including tools used in crimes and punishment as well as documents and photos with most of the collections from the 20th century.As of January 2014, NBI has been divided into three divisions in addition to administrative services