A Russian national was sentenced today to nine years in prison for his operation of two websites devoted to the facilitation of payment card fraud, computer hacking, and other crimes before Senior U.S. District Judge T.S. Ellis III in the Eastern District of Virginia.
By your definition no one from virtually ANY COUNTRY should be permitted in the US, including Americans...since there are scammers in the US from practically EVERY COUNTRY.
...but you guys seem to get off on just Russia. Strange.