“NIJ’s Sentinel Events Initiative: Looking Back to Look Forward” describes NIJ’s promotion of structured reviews of adverse outcomes in criminal justice processing, called “Sentinel” events. “Changing Course: Keeping Kids Out of Gangs” outlines a book jointly published by the Centers for Disease Control and NIJ. The book emphasizes collaborative approaches for preventing youth from joining gangs. “‘Cultural Shift’ Is Among Findings of Second Chance Act Evaluation” reports on the main findings of an NIJ-funded evaluation of the implementation of reentry programs for released offenders funded under the Second Chance Act. “Replicating HOPE: Can Others Do It As well As Hawaii” is the transcript of an interview with an evaluator of Hawaii’s HOPE program regarding its effective components that may be replicated in other jurisdictions. “Winnie Reed: More Than 40 Years of Contributions to NIJ” is the transcription of an interview with Winnie Reed about her experience during 40 years of service at NIJ. “Solving Cold Cases With DNA: The Boston Strangler Case” explains how NIJ’s funding of efforts to solve cold cases through DNA analysis assisted in solving a 50-year-old rape and murder case in Boston. “Healthy Communities May Make Safe Communities: Public Health Approaches to Violence Prevention” reports on cooperative efforts between law enforcement and public health organizations in preventing violence. “Through Their Eyes: How Prisoners Make Sense of Their Incarceration” reported NIJ-funded research on how a sample of prisoners in Ohio prisons viewed the punitive aspects of their imprisonment.