TYLER, Texas – A Tyler tax preparer has been sentenced to federal prison for her role in a tax refund fraud scheme in the Eastern District of Texas, announced Acting U.S. Attorney Abe McGlothin, Jr.Karistha Johnson, 38, pleaded guilty to making false and fraudulent statements on a tax return and was sentenced to 24 months in federal prison by U.S. District Judge Jeremy D. Kernodle on A...