The Justice Department confirmed a second bomb - from a CBS Affiliate.

The OKC Bomb Squad arrives to defuse second bomb - from a CBS Affiliate.

Federal Authorities have confirmed a second bomb has been found - from CBS.

There were two more bombs - both the second and the third were larger than the first..

CNN and Federaly Authorities confirm another bomb. Justice Department claims that this was the work of "a sophisticated group" and that it had to have been done by an "explosives expert."

The Explosion is captured on tape from an office diagonal to the Murrah Building. Note the "rattle" just before the explosion.