This document is the program for the 2008 National Institute of Justice (NIJ) Conference on Criminal Justice Research, Development and Evaluation in the Social and Physical Sciences held on July 21-23, 2008, in Arlington, VA. The materials provided in the program include the agenda for each day, a section with brief presenter biographies, and a list of pre-registered attendees. The topics on forensic science included: DNA Tools for Tomorrow (two parts); Forensic Science Demonstrations/Poster Session; Federal Resources for Crime Laboratories; and Program Updates from NIJ's Investigative and Forensic Sciences Division and the FBI. The topics on crime mapping included: Post-Release Supervision and Residential Choice; Crime Analysis and Policing: Implementing New Technologies; Staying One Step Ahead: Crime Forecasting and Geographic Profiling; Geography, Neighborhoods and Crime; Guns and Crime: Mapping Patterns and Preventing Violence; Violence in Communities: Modeling and Predicting Crime Patterns; Analyzing Neighborhood Characteristics and Crime Patterns; and The Changing Face of Public Housing: Mapping New Crime Patterns. Other topics covered at the conference included the use of conducted-energy devices, whether protective orders really protect victims, best practices to stop youth gangs, methamphetamine production and use, pretrial release and jail detention, sexual assault nurse examiner programs, commercial sexual exploitation of children, promising prisoner reentry programs, reducing gun and drug-related violence, CompStat and community policing, and policy changes in the juvenile justice system.