He is a private investigator with many credentials and HE HAS the evidence.
On the website look under the search box on the left and you will find his email there if you want to contact the author.
check that link for all the articles written on this topic.
Read all the reports on Benghazi
http://www.homelandsecurityus.com/special-investigative-reports-2
http://www.homelandsecurityus.com/special-investigative-reports-2
and The Video: http://www.homelandsecurityus.com/archives/6860