Norm, Arpaio himself might or might not be a liar. Maybe he just put his trust in the wrong people.
As to whether the people influencing and running his Cold Case Posse investigation are liars, that seems to be proven beyond any reasonable doubt.
Of course. Arpaio is so old and feeble he would fall for that in a heartbeat....
Ana all the independent people that have contributed data all made it up because they were in on it. Probably a Zionist plot.