It is necessary to make an observation on someone that is new in your neighbor and whether he is trustworthy. If you feel so strange about your neighbor you can make a survey on those people whom have knowledge about them. You can spy them until you can find that there are irregularities about them Intuition is not enough to support what you see. It is better to do action right away before something bad happen.
In this situation it is not enough to wait for any unwanted circumstances to happen you should make action in order to maintain peace and order in your community. You can consult different public records to support you intuition. Public records such as birth records, marriage records, death records and the most popular now is the criminal records. In criminal records you will find out the person who committed the crime, what kind of crime does he commit and what sentenced did he pay for? It becomes the most popular record because chaos is all over the globe. Everyday as we watch the television different crimes are included in the news.
First, you can visit local police departments and you can ask information about public records. But what if you need information about a person who does not live within the community? It sounds so difficult in the sense that police department can only provide you information that happen within their jurisdiction only.