I had received a call from 4155925967 and 4155983898, was told that i had a case against me of a legal matter and that they needed my attorney's number and name, and that i would be arrested the next day following a warrant.  I was told to Contact Michael Carter adn second number above.  I call and asked for him they said he was in a meeting and directed me to Tony Michelle Brown, a lady with indian accent.  All had this accent.  
I asked her for documents and she stated that they cannot provide them only in court, so i asked there address and location.  Said they were at San Francisco, CA 1158 11th Avenue.  I googled the address, and it was not the said name above.  
I turned in a complaint through IC3.gov.  And i also called San francisco police department, they never had a warrant out for me.