Federal Marshals?
Secret Service Agents?
FBI?
Treasury?
If Holder holds back, what happens to the warrant? Go ahead. Vote. But if Lerner turns into a Fugitive Martyr and Reggie's Boyfriend backs her up, then waddawe do?
Read the material linked to in post 44
Holder has nothing to do with this. The House Sergeant at Arms or his Deputy will locate, arrest, and imprison Lerner as directed.