The person called and said he was an officer with the Tax and Crime Investigation department located in Washington DC. He said I had an arrest warrant from my local police department and he asked for the phone number of the local police department. I asked for his name, department, address and boss's contact info. The person got upset and asked if I was at home or at work. I asked again what his department was and he said that someone would track my phone and locate me within 45 mins. I asked for his name again and he threatened that I was in big trouble and I am making this worse by not calling my local police department. I asked what this was about, he said call your local police department. I asked for his name again and he threatened to come pick me up. I asked what this is about and he hung up. I called the number back about a dozen times and someone else answered saying he was Officer Robert Jackson with the IRS and asked who I was. I asked for his name and he hung up.