It wouldn't surprise me if you've heard something like that.
I swear.. I remember reading something about Rand Paul tied to white supremacist groups before.
It seems that most politicians, no matter what side of the aisle they're on, are said to be tied to something radical.
Obama was tied to Bill Ayers and Rev Wright. Bush had affiliation rumors,, many senators/congressmen have affiliation rumors,, and so on.
They all seem jacked up.