For Extortion Scam Operations,  File reports with the FBI, your state attorney general and Department Of Justice,CFB,FTC & FCC..

http://www.nw3c.org/
http://www.ic3.gov/default.aspx
http://www.fbi.gov/
http://www.stopfraud.gov/report.html
https://www.ftccomplaintassistant.gov/#&panel1-1
https://esupport.fcc.gov/ccmsforms/form1088.action
http://www.consumerfinance.gov/complaint/
http://www.fraud.org/
Tip off FBI about this extortion attempt by filing form at: stips.fbi.gov/

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

http://www.ftc.gov/os/statutes/fdcpajump.shtm
http://www.consumerfinance.gov/askcfpb/search ...
http://www.consumer.ftc.gov/articles/pdf-0096-fair-credit-reporting-act.pdf
http://www.consumer.ftc.gov/articles/0149-debt-collection

And see:
http://www.ic3.gov/media/2014/140627.aspx
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http://800notes.com/forum/ta-944ec1426a8bcbb/ ... service-attacks
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http://www.clarkhoward.com/news/clark-howard/ ... r-phones/ndF4c/
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http://www.net-security.org/article.php?id=1828
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http://800notes.com/forum/ta-86217073a9c8dad/ ... 077595690349410
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http://www.consumer.ftc.gov/articles/0258-fake-debt-collectors
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http://www.deadiversion.usdoj.gov/pubs/pressreleases/extortion_scam.htm
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http://www.fdcpa.me/fake-process-server-injunction/
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http://800notes.com/forum/ta-9413b3202bc8b6c/ ... net%27s-tactics
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http://dfi.wa.gov/consumers/alerts/cashnet-payday.htm
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http://www.cashnetusa.com/consumer-notices