The 26th United Nations Commission on Crime Prevention and Criminal Justice (UNCCPCJ) was held in Vienna, Austria on May 22~26. The Korean Institute of Criminology attended the main session and PNI workshop as a member institute of United Nations Crime Prevention and Criminal Justice Programme Network Institute (UNPNI). President Zin-Hwan Kim, Director Seong-Jin Yeon, Deputy Director Jea-Hyen Soung and Researcher Seyoon Jung of the International Strategic Research Center attended the meeting. On May 23, President Zin-Hwan Kim gave a presentation on item 4, explaining KIC's activities related to the Fourth Industrial Revolution and crime trends caused by the diversification of social structure. KIC delegates attended the the PNI workshop and Dr. Jea-Hyen Soung presented on 「Juvenile Offenders and Rehabilitation」.