"This guide provides a summary of important findings from offender interviews and concrete recommendations on how to set about conducting offender interviews for problem-oriented policing projects. It highlights findings from interviews with drug dealers and users, residential burglars, armed robbers, gang members, and gun offenders. A step-by-step description of interviewing offenders is provided, including the goals of the interview, who should conduct the interview, how to find appropriate subjects, informed consent, conducting the interview, sorting out the truth, and presenting the findings of the interview."
Problem-Oriented Guides for Police, Problem-Solving Tools Series No. 3
Office of Community Oriented Policing Services: http://www.cops.usdoj.gov/