Got this in email just a moment ago. Smells very fishy... as in fishing expedition. No details to refute? I'm sure not going to call them.
Federal Bureau of Investigation
Internet Crime Investigation Center
FBI - Minneapolis Suite 3367
149 Washington Avenue, South
MN 55813
Telephone: (888) 308-9518
Fax: (888) 308-9518
October 22, 2017
RE: Case: 8743174464
The IP registered on your name was referred to the FBI's Internet Crime Complaint Center several times as being a possible suspect of federal cyber crime.
Through investigation conducted by our Cyber Division of the FBI your IP address and other identifying information were used to commit multiple online fraud and abuse crimes. This investigation covers the time period from August 8, 2017 to the present date.
We appreciate your instant attention to this matter. Contact us urgently , at phone number listed below.
Sincerely, Kim Miller
Internet Crime Investigation Center
Minneapolis Suite 2244
118 Washington Ave, West
MinneapolisMN 55959
Phone: (888) 308-9518
Fax: (888) 308-9518