Each prompt you have to address from the assignment is its own information need and requires its own research.
For example:
"Belle Gunness" AND victimology
"Belle Gunness" AND childhood
When searching Google, try these search tips for best results:
When evaluating a website for credibility, ignore the site's domain name and evaluate the content within the site:
Who wrote it?
What kind of experience do they have?
How does it help you with your research?