FORT SMITH, Arkansas, June 20 -- The office of the U.S. Attorney for the Western District of Arkansas issued the following news release: A Fort Smith man, Neil Ravi Mehta, age 32, was sentenced today to 57 months in federal prison followed by three years of supervised release and ordered to pay $659,825.52 in restitution, on one count of Possession of an Unregistered Firearm that was a Destructive Device, one count of Fraud and False Statements related to Tax Returns, and one count of False Dec  more