acs andy clark very rude and try to steal my money. Kept calling me at work and on my cell phone. They kept harrassing my employees. They used very mean words and also demanded money without sending me anything Internet

This foreign guys keep calling my cell phone and work phone. They say they are from some acs company and they are collecting a debt from a frund and it is a fedral affence and that if i dont pay it that they will issue a warrent for my arrest. They keep calling a say they are all differernt people. They also say really rude things. They say way didint you pay this in the 1st place. Then they go on  and say that if you dont pay it then they will ge there lawyer and get me arrested. They wont given let you get a word in and then when you ask for what company and a date that this happened they wont even give you a number. They kept given me a run around. They are the most rudest people and need to get caught and they will.