Trends in Youth Arrests for Violence Crimes: https://ojjdp.ojp.gov/library/publications/trends-youth-arrests-violent-crimes 

Arrest of Youth Declined Through 2020: https://www.ojjdp.gov/ojstatbb/snapshots/DataSnapshot_UCR2020.pdf 

For Conference Materials you can click the drop down menu. Each session has its own subpage with all the conference https://www.shapingchildrensfutures.org/events