they keep making threats and hanging up on me

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/

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://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

Consider buying a call blocking device or phone..
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=call+blockers

They need to be banned from calling they are rude they treaten and they hang up on you after they tell me they are coming for me! Lol

Received 3calls back to back but did not answer. No voicemail was left

I just got a call from a guy at this number- asking to verify my address.. I asked him what was this abt- he would gv info.. I told him to call my attorney- he got smart and said i dont care about your attorney.. I told him kiss my a** then- CLICK !  My caller id app says its a Hkn Energy-  but reverse look up says its a landline...

Aint nobody got tme for that...

i did too they said investigation services....but would not identify themselves....did anyone find out who this is

I just got 3 calls back to back with no voicemail.

Did they say that he was with a investion department?

I just did