For at least the last year, an illegal group of debt collectors have been terrorizing consumers, their family, friends, and employees threatening to arrest the individual of an unpaid loan or other debt (their generally don't even owe). Be aware debt is a civil matter, not a criminal matter, and you can't be arrested. They threaten a warrant if the victim does not pay a sum of money by the credit card over the phone.

Some of the people they are calling do not owe a debt.  Others they are calling have already settled their debt with the organization who owns the accounts. Even if you do owe a debt, do not be deceived by the actions of this group.  Many of the accounts they are attempting to collect they do not own.  In other words, if you pay these people, that is not going to clear your debt with its rightful owner.  

Although when pressed the callers give the victim an address in Columbia South Carolina (usually a vacant lot) or Atlanta GA (often a parking lot near the bus station). They are actually out of the Charlotte North Carolina area. The scammers are using the following business names (and there are many others, and they seem to create new ones daily).  They will normally answer the call back number as ?Investigations?

Reynolds, Hill, and Associates
Berkley and Associates
Kaufmann and Associates
Sanderson Blaine & Associates
Blaine and Associates
McKenzie Reid Associates
Kennedy, Kline, & Associates
Nationwide Asset and Recovery
Piedmont Investigations and Procurement
Raffino, Garrison, & McCoy
McCoy Law Group
Salem Associates
Reynolds and Associates

Here is a set of links to a variety of threads on this forum that document this group and its behavior. They include the experiences of victims as well as a former employee or two that quit within a week of finding out exactly what was going on. They also include responses from consumer advocates and people who are really criminal justice professionals advising victims of what to do

http://800notes.com/Phone.aspx/1-855-748-8367
http://800notes.com/Phone.aspx/1-855-719-1725
http://800notes.com/Phone.aspx/1-855-676-3492
http://800notes.com/Phone.aspx/1-855-805-5549
http://800notes.com/Phone.aspx/1-855-751-1084
http://800notes.com/Phone.aspx/1-855-803-2349
http://800notes.com/Phone.aspx/1-855-775-2417
http://800notes.com/Phone.aspx/1-855-775-2418
http://800notes.com/Phone.aspx/1-855-755-3417
http://800notes.com/Phone.aspx/1-855-746-3946
http://800notes.com/Phone.aspx/1-855-676-3485
http://800notes.com/Phone.aspx/1-855-966-3768
http://800notes.com/Phone.aspx/1-855-699-9749/2
http://800notes.com/Phone.aspx/1-855-966-6246
http://800notes.com/Phone.aspx/1-855-678-5437
http://800notes.com/Phone.aspx/1-855-967-0061
http://800notes.com/Phone.aspx/1-855-746-3948
http://800notes.com/Phone.aspx/1-855-791-2353
http://800notes.com/Phone.aspx/1-855-699-6246
http://800notes.com/Phone.aspx/1-855-735-8624
http://800notes.com/Phone.aspx/1-855-751-1083
http://800notes.com/Phone.aspx/1-855-736-3678/2
http://800notes.com/Phone.aspx/1-855-966-8529
http://800notes.com/Phone.aspx/1-855-967-2633
http://800notes.com/Phone.aspx/1-877-460-1576
http://800notes.com/Phone.aspx/1-888-609-3074
http://800notes.com/Phone.aspx/1-866-576-6210
http://800notes.com/Phone.aspx/1-888-601-5849
http://800notes.com/Phone.aspx/1-866-230-1283
http://800notes.com/Phone.aspx/1-877-658-0438
http://800notes.com/Phone.aspx/1-888-510-9327
http://800notes.com/Phone.aspx/1-888-509-0338
http://800notes.com/Phone.aspx/1-866-803-0755
http://800notes.com/Phone.aspx/1-888-511-0627
http://800notes.com/Phone.aspx/1-888-509-3033
http://800notes.com/Phone.aspx/1-888-509-0339
http://800notes.com/Phone.aspx/1-888-511-0631
http://800notes.com/Phone.aspx/1-866-883-2350/2
http://800notes.com/Phone.aspx/1-888-244-3381
http://800notes.com/Phone.aspx/1-888-512-0269
http://800notes.com/Phone.aspx/1-877-295-9550

Just got a call from this number, let it go to voicemail...the caller (a woman) left a message for someone I've never heard of, some guy who's apparently involved in a lawsuit. Like the other poster said, she left a case number and a number to call her back, but I'm going to leave it alone just in case this is some kind of scam.

got a call from this number on my cell, woman left a message for "Melissa" (which is not my name) trying to reach some guy named Jacob who's apparently involved in a lawsuit in San Bernadino and put "Melissa's" number as a point of contact. she left a phone number and a court case number to reference but i'm not going to call her back in case it's some kind of scam

A woman with a mild British accent claiming to be "Investigator" Janet Block left a message on my cell for someone I'd never heard of. Gave a case number and said that a civil complaint with possible criminal charges was being filed (didn't say for what), and said the unknown person or her attorney must contact Ms. Block immediately. Left a phone number with extension. It sounded like she was calling from Contra Costa police department, though when I listened to the message again after I spoke with her, I realized she never quite said that. She answered the phone with her name when I called back (I didn't have to enter the extension), and I gave her the case number, which she didn't recognize. Turns out she was only interested in the phone number. She sounded perfectly professional when I told her it had been my number for years, and I'd never heard of the person she was calling, but now I wonder who I gave that info to! It never occurred to me bill collectors would be so bold as to imply they were cops! Luckily, I blocked my landline number when I called her.

Absolutely claiming case numbers and court.  Calling family harassing .  Bill collector.  Very threatening verbage.  They still call and were give a bankruptcy case #.  They are harrasing illegally.  Reporting to the federal authorities.

Left message regarding pending legal action against a deceased person (for over a year now) and how they would be sending sheriff to home or employer if call not returned.  Threats - obviously from a reputable ????? company since this is the first listing for this number. (I'm being sarcastic.)  Scum collectors - bottom feeders!  Oh yes and they called at 7:18 am - before legal time frame.