world to embed themselves in different communities. >> gaining all this combat experience and directed in many cases by a country who has aspirations of becoming a nuclear power, it makes them extremely drank russ. >> in 1992, the israeli embassy in buenos aires was bombed by hezbollah. followed by another attack on the argentine/israel association building. i was on assignment in latin america at the time. over 100 people had been killed by hezbollah. children in the grade school next to the embassy were shredded with glass and i saw that there had been sleeper agents in those locations. and so when i became chief of hezbollah unit in the fbi, i oversaw all counterhezbollah operations world wide. my primary objective was to find out, are there hezbollah sleeper cells in the united states?