Start by looking up the first case file, vehicle, person or evidence number under the buttons in the menu. In every document you can find information that will lead to new information you can look up in the database or externally. Don't forget that websites that are mentioned in the evidence and case files actualy do exist and you can visit them.

Yes. It is possible to find information on Social media or external websites. Do look this up because it will help you in the investigation.

You can find people with personal details like residence, birthdate etc. Or with physical appearance. There are two different menu items for searching for people. If you only have a photo of a person, use the appearance option under the button people.