The FBI learned the “blow up the housing project” trick from the Russian successors to the KGB.
The Russian secret service blew up a Moscow apartment complex and blamed it on Chechen extremists.
http://www.nybooks.com/articles/2012/11/22/finally-we-know-about-moscow-bombings/
The FBI undoubtedly has dozens of these schemes as works in progress to keep the American public terrorized, divided against each other and docile.
Paranoia is the enemy of logic.