it also happened in march, 1995, in carson city, nevada. >> a bomb went office in a u.s. forest service office in carson city, nevada, blowing out windows, but there was no major damage, no injuries. no claim of responsibility either. >> beyond those forest service bombings at around the same time, two bureau of land management offices were also bombed. that was also happening 1994, 1995, 1996. of course, if you think about it, in the middle of all of that was the anti-federal government bombing that took place 19 years ago this week, in april 1995, in oklahoma city. the bombing of the alfred p. murrah federal office building in oklahoma city. that building included regional offices for the atf, offices for the secret service and the dea and the social security administration. the oklahoma city bomber and his accomplice were both part of something called the sovereign citizen movement, which doesn't recognize the authority of the federal government. part of the reason that timothy mcveigh was found and arrested after the oklahoma bombing was