Because Jews are such a small minority, most people know very little about their religion.
http://www.jewfaq.org/
This website can answer most questions. I will help with any others.
From The American Bar Association
https://www.americanbar.org/groups/public_education/resources/law_related_education_network/how_courts_work/cases.html
https://www.fbi.gov/investigate/cyber
The FBI has jurisdiction over the internet in the USA. If a vendor scams or cheats you, they should get the report. The above link tells you how to report
cyber crime and also how to protect your computer from viruses and intrusions.