Not aware of their mcveigh connection. Both were accused of homosexual behavior by several classmates.
“Motivations
[snip]
In journal entries, the pair often wrote about events such as the Oklahoma City bombing, Waco, and other similar events, including blurbs and notes on how they wished to “outdo” these events, focusing especially on what Timothy McVeigh did in Oklahoma City.”
http://en.wikipedia.org/wiki/Eric_Harris_and_Dylan_Klebold
If you google-dig, you should be able to locate the original journal entries.
I read them... several years ago now.
Another McVeigh connection is via Michigan. The paramilitary twits ultimately did more damage to the 2nd than good; as Orwell would probably have predicted.
Observe the impotent proliferation of automatic weapons in Iraq.
And still... useful idiots boast about “filing down pins”.
Ehem.