The obvious goal. The narrative is the "Tea Parties are violent". It will set up the directive that they must be prevented from protesting, organizing (501 status anyone) and getting on various ballots for voting. I believe the ultimate narrative is Tea Partiers are terrorists!
That has already been publicly stated by multiple Dems. Hillary for one. It's also been exposed that the NSA is targeting Constitutionalists. And of course we all know that the IRS is continuing its persecution.
Next is official federal LE and DOJ attacks. The Bundy thing really pissed them off.