Sheriff Joe Arpaio knows law enforcement.

http://latino.foxnews.com/latino/politics/2011/12/16/arizona-sheriff-joe-arpaio-fires-back-against-feds-report/

"I do have compassion, but I'll tell you one thing. Enforcing the law overrides my compassion," Arpaio said. That’s exactly what I want to hear from an officer of the law.