Emad Salem was an FBI informant involved with the bombing on the WTC in 1993. You would think that the FBI would have prevented the attack if they had inside intelligence of what was going to happen. Apparently Salem was supposed to replace the ingredients of the bomb to something that would not explode. However, there was a change of events and the FBI stood down and did nothing.
Listen to the audio of Salem speaking to FBI Agent John Amticev.
Many people might say that if you think the government might hurt you then you are a conspiracy theorist. Let the truth be known that the government never acts in the interest of the people, but rather in the people that serve in it and those that seek to benefit from it. Please read this interesting, but scary, article about how the government is on public record on using biological weapons against civilians. Questioning authority and your government is everyones responsibility.