Learning and knowing the truth about 9/11 can have a profound effect on some people. Turns your whole world upside down. It can detroy a person's confidence and faith. I think a lot of people can identify with that.

I personally think there is likely something more to Marshall's death than suicide based on all the mysterious deaths that have been occuring among vocal and prominent people in the truth movement. Truthers are dropping like flies it seems.

If indeed Marshall committed suicide, perhaps he had come into some knowledge that he regarded as hopeless? It's hard for most people to grasp what goes through a person's mind when they decide to take their own life, but when parents take their children with them, I think they are believing that they are saving their children from some sort of future suffering worse the death.