START research is featured in the June 2006 House Permanent Select Committee on Intelligence report, "Al-Qaeda: The Many Faces of an Islamist Extremist Threat." In its discussion of the issue of homegrown extremists engaging in terrorism, the report cites findings from START's Global Terrorism Database (GTD) that "one of every seven terrorist attacks is carried out by a homegrown extremist" (p. 16).
To view the full report click, Report of the House Permanent Select Committee on Intelligence, June 2006.