Anything happen at the home such as shootings or killings

For your protection, your address has been deleted. You have no idea how many scam artists or crooks may read this and try to scam you with fake details.

There are no such records in any data base. You can talk to past owners, you can talk to neighbors who have lived in the area for some time. You can go and do searches of at local newspapers and library

How would we know?

What are you experiencing that made you ask that in a paranormal forum, if you don't mind me asking?