almost 1 million pages of documents donated by bomber 's lead attorney .
they reveal mcveigh viewed himself as a ` paul revere-type messenger '
also thought his defense team should receive $ 800,000 from the government .
1995 attack killed 168 and was deadliest terrorist attack on us soil at time .
mcveigh was executed by lethal injection in 2001 at the age of 33 .
co-conspirator terry nichols convicted separately and got a life sentence .