For Extortion Scam Operations, File reports with the FBI, your state attorney general and Department Of Justice,CFB,FTC & FCC.. Emails can be attached to complaints filed with IC3, the cyber crimes division of the FBI.
http://www.nw3c.org/
http://www.ic3.gov/default.aspx
http://www.fbi.gov/
https://www.ftccomplaintassistant.gov/#&panel1-1
http://www.consumerfinance.gov/complaint/
https://consumercomplaints.fcc.gov/hc/en-us
http://www.fraud.org/
http://www.stopfraud.gov/report.html
Tip off FBI about this extortion attempt by filing form at: stips.fbi.gov/
http://www.consumer.ftc.gov/blog/haunted-phantom-debt
Also see here:
http://800notes.com/arts/I2neMkbUAAo/where-to-report-phone-crime
https://www.westernunion.com/us/en/fraudaware ... and-answer.html
Also read up on the laws and your rights:
http://800notes.com/arts/Jb8EW-eDhQA/harassin ... ou-need-to-know
See Residents post here also:
http://800notes.com/forum/ta-34af6a034ba34b6/unending-collection-calls
Templates of Letters:
http://800notes.com/Phone.aspx/1-319-242-7350