How could you have made the check out if you can't write 7845.35$ correctly? And why are you mad? Is it because you had to use all your rupees that you saved up from being one of the less than untouchables to pay them?
These people are scammers. The IRS does not send local law enforcement to anyone's home. They also don't use profanity or are verbally sexually violent threats against women. They are obvious foreigners running these scams outside the country. Call and report them...
Read the articles listed above, and this one also: