Investigative Research Specialists, LLC has released the third edition of The Opposition Research Handbook: A Guide to Political Investigations.The author Larry Zilliox, is a Virginia private investigator with more than 13 years experience conducting opposition research.

This one-of-a-kind book takes the researcher through the process of compiling information about political candidates. The book offers 150 pages of techniques and resources, including checklists for gathering information. The third edition provides links to more than 170 of the latest investigative and political Internet resources.

The Opposition Research Training Blog is now up and running as a tool for opposition researchers. Our blog presents the latest resources and research tips.

Investigative Research Specialists, LLC offers a full range of on-site training programs to enhance in-house research capabilities. Properly trained campaign staff increase productivity while limiting liability and exposure to negative media attention. One day training modules are available for campaign staff, media, and issue-oriented grassroots organizations. Please e-mail us for cost and travel requirements.

Mr. Zilliox is the author of Investigating Extremist Groups: A Manual and Resource Guide for Law Enforcement, and is president of Investigative Research Specialists, LLC a Bristow, VA consulting firm.