This appears to be a legal scam claiming to be calling from a States Attorneys office, but the call originates from Palo Alto, California. They all have very thick Indian or Nigerian accents and claim to have several criminal counts against the person they are calling. The chilling fact is that they have a lot of personal information including SSN, address, etc. I have reported them to the Federal Trade Commission, Consumer Affairs more than once. They are insidious and very rude using bad language to get their point across.