I just got a call today 8-3-2015 saying I took out a loan in 2013, they did have all my info about my social security number, and threatened me as well but I got married in 2014 and they had my current last name which is bull crap they got all my information from trying to get a loan this year, I will never do that again , scammers

They just called me 8/5/2015 and said they have all my personal information from a loan I defaulted on and a warrant for my arrest and that I have 30 minutes and my local,sheriff department will come and arrest me.  I don't have a lao,

just called and said that if i didnt call back to this number that i would be arrested in 30 mins ,was a recording,couldnt understand all of it

just had the same call. what ever.... scammers..

See this webpage from the Federal Trade Commission - it tells you what a debt collection company can legally do:
http://www.consumer.ftc.gov/articles/0149-debt-collection