then why did 'ol Tim McV hang out with that wacked out christian identity group?
What group? Do you have a citation? He joined a militia, but I don't believe they had any religious orientation. The other militia members have said that McVeigh was not a popular member, because he wanted to talk about politics, and everyone else wanted to go out in the woods and play with paintball guns.
Tim McVeigh self-identified as an agnostic. He claimed to have no religious affiliation, and no religious group has claimed him as a member. He has stated repeatedly that his motivations were political, not religious. There is no reason to label him a "Christian terrorist".