Hanfland, Kenneth A., author.
[Washingon, D.C.] : U.S. Department of Justice, Office of Juvenile Justice and Delinquency Prevention, Office of Justice Programs, 1997.
1997
[Washington, D.C.] : Behavioral Analysis Unit-2, National Center for the Analysis of Violent Crime; Critical Incident Response Group/Federal Bureau of Investigation, [2005?]
2005