They specialize in administering IRAs and 401Ks for people that invest in everything from Wholesale - Shortsale - Rehabs - Tax Liens - Ect...

The Sect 8 program is administered by local Housing Authorities, not the federal government.As a point of reference, here is the link to the Dallas Housing Authority.  

We are a Qualified Intermediary and we administer 1031 Exchange transactions. 

This can be a long process before the title can be administered.

They administer the Sec 8 program in your local area. 

For example landlords can enter their rental property without giving any notice, can evict within a few weeks for non-payment, if tenants repeatedly violate the lease agreement we can administer an Unconditional Quit Notice, there's a statewide ban on rent control in place, very low property taxes...

Does anybody have any thoughts on hiring a professional to administer a polygraph test and/ or a lie detector test to potential tenants?

You need a QI that is focused on putting your needs first by administering your 1031 Exchange and not trying to get paid on the back end.  

It is not a way for YOU to tap your retirement funds to invest in real estate, but rather a way for you to diversify your tax-sheltered retirement savings and include things like real estate as investments of the plan.All IRA investments must be made at arm's length and exclusively for the benefit of the plan, meaning the plan is on title to the asset, all expenses are paid from the plan and all income goes to the plan - tax-sheltered just like returns in the stock market.You can administer investments, but may not personally benefit such as by drawing income from a rental or paying yourself for providing services to the plan. 

Now the examination Must pass the Examination administered by AMP and approved by the Commission.