A Mathews couple has pleaded guilty to conspiring to impair and obstruct the IRS in the ascertainment and assessment of federal income taxes from 2001 through 2010. Kathryn Charles Miles and her husband, John Scott Miles, will be sentenced this summer.

Kathryn Miles, who was charged in October of last year, pleaded guilty Saturday in U.S. District Court in Norfolk and John Miles pleaded Tuesday, according to spokesman Peter Carr of the U.S. Attorney’s Office in Virginia.

At her plea hearing, Kathryn Miles admitted to earning taxable income as a nurse at various Virginia hospitals and with her husband as an owner and operator of a construction business named "Scotts Construction" and "KCM Construction & Design." The couple admitted that in 2001 they joined American Rights Litigators, a business they knew sold and promoted abusive tax schemes, and maintained an annual membership.

Kathryn Miles also admitted that, in 2005 and 2006, she submitted six t...