Written by:	Mary W. Green, Sandia National Laboratories, Albuquerque, New Mexico
Original art work by:	Steven Scatliffe, Tech Reps, Inc., Albuquerque, New Mexico
Photos by:	George Wagner, Sandia National Laboratories, Albuquerque, New Mexico Steven Scatliffe, Tech Reps, Inc., Albuquerque, New Mexico
Document preparation:	Rosanne C. Rohac, Tech Reps, Inc., Albuquerque, New Mexico Elaine Perea, Tech Reps, Inc., Albuquerque, New Mexico
Additional contributors:	Janet Ahrens, Sandia National Laboratories, Albuquerque, New Mexico Tim Malone, Sandia National Laboratories, Albuquerque, New Mexico Dale Murray, Sandia National Laboratories, Albuquerque, New Mexico Charles Ringler, Sandia National Laboratories, Albuquerque, New Mexico George Wagner, Sandia National Laboratories, Albuquerque, New Mexico Fred Wolfenbarger, Sandia National Laboratories, Albuquerque, New Mexico
Library research:	Kay Kelly, BEI, Albuquerque, New Mexico
Reviewers:	Raymond Downs, Program Manager, National Institute of Justice William Modzeleski, Director, Safe and Drug-Free Schools Program, U.S Department of Education Joe N. Anderson, Director of School Safety and Security, Metropolitan Nashville Public Schools Michael S. Ganio, Sr. Manager, Security Services, Orange County Public Schools John J. McLees, Executive Director, Philadelphia Office for School Safety Tom Hall, School Police Chief, San Diego Unified School District Kenneth Trump, President and CEO, National School Safety and Security Services Gary Underwood, Chief, San Bernardino Police, School Safety Department Paul Schultz, Chief of Police, LaVista Police, LaVista, Nebraska Ronald Sloan, Chief of Police, Arvada Police Department, Arvada, Colorado John C. Martinez, Deputy Chief, Dallas Police Department J.M. Hutt, Sergeant Arapahoe County Sheriff's Office, Englewood, Colorado Tod Schneider, Crime Prevention Specialist, Police Services Division, Eugene, Oregon Ed Hardy, Chief, Special Investigative Unit, Broward County School District, Sunrise, Florida Donovon Collins, Chief, Dallas Independent School District Police Mel Seo, Auxiliary Service Specialist, Hawaii Department of Education Jack Lazzarotto, Director, Police Services, Clark County School District, Las Vegas, Nevada Charles Clark, Director, Security Emergency Preparedness, Long Beach Unified School District Wesley Mitchell, Chief, Los Angeles School Police Sharon O'Connor, Tech Reps, Inc., Albuquerque, New Mexico