Planned and conducted in close collaboration with the Swedish Agency for Youth and Civil Society and Unizon, a one week study visit to Sioux City, IOWA, USA, 2014. Invited representatives of several authorities, municipal representatives and voluntary organizations. The purpose was to visit Alan Heisterkamp, Waitt Institute and their partners to gain in-depth knowledge of the socio-ecological model of Sioux City Project violence prevention work that has been so successful.