It depends on the dollar value of the property that was obtained by the false pretenses.
yes.
This would be defined by the state where it occurs but probably is decided based on the value of the property.
MS is Mississippi.
Yes, your criminal history record is available nationwide.
Justice Antonin Scalia on the Clash Between International Law and State Law
Incarceration Guide - Federal and State Pardon
International Law In the United States
Incarceration Guide - Boot Camp Part 2