To report the fraud, go here:
http://www.grants.gov/web/grants/support/general-support/grant-fraud.html
Their number is listed , along with an email address, at the top of the page.
Also here:
http://www.consumer.ftc.gov/articles/0113-government-grant-scams
These people have called me two or three times. Once with Grant of 7000 and twice at 9000. If it is legit it would be a blessing but I don't believe the US government would work like this.