If your life is in danger and this is an emergency, call 911 or your emergency hotline in your country.
USA
Federal Trade Commission https://reportfraud.ftc.gov or by phone 1-877-382-4357 (9:00 AM – 8:00 PM, ET)
FBI – Internet Crime Complaint Center https://www.ic3.gov/
Call USA Gov at 1-844-USA-GOV1 or use the Government Chat Service https://www.usa.gov/chat
Submit Online Tip Form https://tips.fbi.gov/
Canada
Canadian Anti-Fraud Center or Call Toll free: 1-888-495-8501