Cristina Warthen is a Stanford Law School graduate who was sentenced on Monday, September 28, 2009 for a federal tax evasion charge from October of 2008. The charges were for money she earned while running an escort prostitution service while studying for her degree.http://www.sfgate.com/cgi-bin/article.cgi? Warthen was sentenced to a year of home detention, including having to wear an electronic monitoring device, as well as three years probation. She will also have to pay the government $243,000, which is $70,000 less than was initially agreed upon. The amount was changed due to her inability to pay the money after her recent divorce to Ask.com co-founder David Warthen.http://www.mercurynews.com/news/ci_13439749?nclick_check=1

Authorities say Cristina Warthern failed to pay $25,424 of tax in 2003, though she earned a net income of $81,797. Warthen was accused of hiding upwards of $60,000 to avoid paying taxes on the revenue.SFGate: Former escort guilty in tax evasion case