Who called from 2028641185

Not reallly possible at this time.  They are scammer/extortionists working out of India.  Beyond US jurisdiciton and they are pretty much bullet proof.  And they know it.  Call blocker is your best bet.

I got a voice mail yesterday (5/2/2014) telling me that, I made a  federal crime. So call back this # immediately 1-202-864-1185 to Robert William or James Anderson. They want to help me. Otherwise police is coming to arrest me. Almost a year ago similar call came and thretened to arrest me by police. A year goneby, no police came to arrest me. Some body told me that they already have extracted money from weak minded people meeting in Walmart or in RiteAid store. What is going on in the United States? Is this country becoming a heaven to these scam artists?

Some of them are not in this country and its a attempt to extort and scam money.  Impersonating officers is also illegal.  Not to mention they break all the FDCPA laws.  Owing a debt is not a criminal offense, its a civil matter.  Do some fall for it, yes sadly.

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/

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

Indian scammers know they will always catch a few stupid people.  The odds are in their favor up to a point.  WHich is why a forum such as this is so important.  Right now  call blocker is your best bet.

Most of these calls come from India or Pakistan and are beyond the reach of US law.  Just ignore the calls or buy a cal l blocker.