Joe Arpaio: Why is Obama administration suing an outspoken Arizona sheriff? Posted on September 2, 2010 by Pete affiliate program Joe Arpaio: Why is Obama administration suing an outspoken Arizona sheriff? Source: www.csmonitor.com The Justice Department said Thursday that Sheriff Joe Arpaio of Arizona’s Maricopa County is not cooperating in an investigation into whether his department has used racial profiling in sweeps to catch illegal immigrants. Let’s lock Joe up.