You're right that is the correct answer to the question as I asked it. Let me rephrase it...
After nearly two years of investigation without coming up with one charge why is the DoJ still investigating Sheriff Joe Arpaio?
Yes, there are at least 100 more horrible things I could have listed ... but I would have to type them. I plead a tendency to tendonitis!
” After nearly two years of investigation without coming up with one charge why is the DoJ still investigating Sheriff Joe Arpaio?”
1) Desperation...too much time invested already.
2) They knew he would retaliate, if attacked.
3) He DID retaliate.
4) Arpaio has better than even odds he can destroy Obama.
5) Add destroy Holder (F & F).