SAR & Associates Fake collection agency that is trying to get my banking information Plantation Florida

I received a letter dated October 15, 2015 from Sar & Associates that I had an original debt with LTS Management. The letter stated that this was about a pre-litigation action against me. The letter stated that I had within 30 days to contact them or they may take legal action against me. 

Before calling SAR I looked up the information for LTS Management. I saw that the company was closed and had legal action placed against them in Colorado. I then called SAR to investigate more. When I called I spoke with a woman named Sandra Harvey. I gave her the information from the letter I received. She then told me that I had taken out a payday loan with LTS Management for $450 and that I now owe $1400. They told me that it was deposited in my Bank of America account in July 2012. I disputed with her and told her that her information was wrong. She told me that I could fight it in court. I said sure I want to fight this in court. She told me that I can also prove the information wrong by sending my bank account statement and information. 

I have read other reports about SAR & Associates and they all say the same exact thing. This is a scam. Please do not send them any of your banking information. I looked up their address and it is in the Regus in Plantation, FL. I plan to call the Regus to find any business operating under that name in their center. I also looked up all the phone numbers listed on the letter and the fax number is the number of another collection company that has a scam report on them.