How can I do a background check and get a credit score on someone?

I rent out my college house during the school year and want to do a background check and credit check on these people to see if they can pay the bills. How would I go about this?

Public Comments

1. pay for it
2. you can try www.intelius.com...(there's a fee)
3. Charge them an application fee and have them sign a consent form authorizing you to pull their credit report.
4. try google