The following link is to a book by Bill Hughes covering the history of assasinations, wars, disasters, and terrorism in the United States. I am not endorsing this book...but much of it seems to be credible...although biased. The link is in PDF form. Reduce the zoom to 100%.
http://www.freewebs.com/rumorsconspi...Terrorists.pdf
Here is a related video...which I am not endorsing...but which again seems to be credible...though biased: