00:00 [Music]  00:01 an ordinary government building nine  00:03 floors of glass and steel reinforced 00:05 concrete built to code built to last 00:08 then one morning a crude bomb causes 00:11 destruction on an unimaginable scale in 00:14 seven seconds the building disintegrates 00:17 168 people will die as a result of the  00:20 explosion 00:21 now with cutting-edge computer 00:23 technology we reveal exactly what went 00:26 wrong 00:30 disasters don't just happen there a 00:32 chain of critical events unravel the 00:35 fateful moments in those final seconds 00:38 from disaster 00:39 [Music] 00:47 the United States Midwest campus April  00:56 18 1995 01:00 4:30 in the morning a truck pulls out of  01:03 a motel in Kansas shriya's later it  01:07 drives off the road and parks beside a 01:09 lake the driver is on a mission against 01:14 the American government he pills 13 208 01:19 liter barrels with a deadly combinat...