DataSearch is the most comprehensive free app for investigating the background of anyone. You will be able to find out if a person you meet online has a criminal past, and if so, where they have been and what they have done. 

The app has a special section for people who want to check their own background. You can also get information about any person you are thinking of contacting.

DataSearch is an excellent tool for finding information about anyone you are interested in.

You will be able to find out if the person has a criminal past, and if so, where they have been and what they have done. 

DataSearch is a very useful app, and it is free to use.