I wonder how "Campus Crusade for Islam" might have approached them.
With a dull butcher knife and the cry "allahu akbar!"
By air??
"I wonder how 'Campus Crusade for Islam' might have approached them."
You brought up a good point. How would you react if a group of Islamic spammers came up to you and tried to convince you to join their religion? Would you be upset? Would you demand that they not use the same kind of tactics as the Christian spammers were using?
They tend to frown on the word crusade. Probably Campus Jihad for Islam would be more accurate.