Most people are fairly honest and even though they may tell a little lie once in a while, they do not think like a criminal. Most people don’t even realize that criminals often commit these acts under a different name. I recommend a person hire a professional to do a Nanny Background Check since a real criminal isn’t going to just give up their aliases. Instead, a professional will have access to records that will reveal any other names under which a person may have committed a crime. This is invaluable information to a parent that is trying to keep their children safe.