ABINGDON, Va. -- A West Virginia woman has pleaded guilty in Virginia to federal charges stemming from a Nigerian wire fraud scheme.U.S. Attorney Timothy J. Heaphy says Audrey Elaine Elrod, 45, of Bluefield, W.Va., pleaded guilty to structuring transactions to avoid reporting requirements and conspiracy to commit wire fraud.Elrod entered her plea Monday in U.S. District Court in Abingdon. She faces up to 30 years in prison on the charges, along with a potential 20 years for committing the crimes while on pretrial release.Heaphy says Elrod received more than $446,000 from victims of the scheme. The money was sent to bank accounts she controlled by wire transfers. She structured more than $411,000 in cash transactions in an attempt to hide the transactions from the government.