Call from a variety of numbers, usually attempting to get money for old debts they’ve purchased somewhere. Most likely an off-shore scamming operation. Ignore and block the calls.
Report them:
http://www.consumer.ftc.gov/articles/0149-debt-collection (Threatening criminal process in order to collect a civil debt is a clear violation of the Federal Fair Debt Collection Practices Act.)
Also contact your local attorney general
See: http://www.ic3.gov/default.aspx
Little better than extortionists. Call from the following numbers, long history on 800notes.com.
These people are bottom feeders they can't get a real job - so they feed off the misinformed no one tells you they have a warrent for your arrest no one is going to give you a heads up about the sherriff's office coming to get you , REMEMBER THIS THEY ARE LYING TO YOU THEY ARE LYING TO YOU AND TAKE THE LITTLE BIT OF MONEY YOU MAY HAVE LEFT.